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WAEC Physics Questions/Answers for Essay & Objective 2023

The West African Examinations Council (WAEC) is a reputable examination board responsible for conducting the West African Senior School Certificate Examination (WASSCE) annually. This examination tests the knowledge and understanding of students in various subjects, including Physics. With millions of candidates participating in the WAEC exams every year, it is essential to be well-prepared to excel in this crucial examination.

In this comprehensive guide, we will provide you with sample WAEC Physics Answers 2023 questions for both essay and objective sections to help you prepare effectively for the examination. We will also offer valuable tips and strategies for tackling these questions and boosting your chances of success.

Section 1: Introduction to WAEC Physics Examination

The WAEC Physics examination tests candidates’ understanding of the fundamental principles and concepts of Physics. The exam is divided into two parts: Paper 1, which contains objective questions, and Paper 2, consisting of essay questions. Both sections are designed to assess a candidate’s ability to apply their knowledge and skills to solve Physics problems accurately and efficiently.

Section 1.1: Structure of the WAEC Physics Examination

The WAEC Physics examination consists of two papers:

• Paper 1 (Objective): This section consists of multiple-choice questions, which candidates must answer within a specified time limit. The questions cover various topics in Physics, including mechanics, thermodynamics, electricity and magnetism, waves and optics, and nuclear Physics.
• Paper 2 (Essay): This section features essay questions that require candidates to provide detailed explanations and solutions to various Physics problems. The questions in this section are designed to assess a candidate’s ability to apply their knowledge and skills to solve complex Physics problems accurately and efficiently.

Section 2: Sample WAEC Physics Answers 2023 Questions for Essay

In this section, we will provide you with sample WAEC Physics Answers 2023 essay questions to help you understand the format and structure of the examination. These questions are drawn from past WAEC Physics examinations and are designed to give you a clear idea of what to expect in the actual examination.

NOTE: The actual WAEC Physics exam will not contain these exact questions. The purpose of these sample questions is to provide you with a general idea of the types of questions you may encounter in the exam. Please do not rely solely on these questions for your preparation.

Essay Question 1:

A particle is projected horizontally at 15ms-1 from a height of 20m. Calculate the horizontal distance covered by the particle just before hitting the ground. [g = 10 ms-2]

Essay Question 2:

State Faraday’s second law of electrolysis and provide an example to illustrate the law.

Essay Question 3:

Explain three methods of polarizing an unpolarized light.

Essay Question 4:

Young’s modulus is a measure of the stiffness of a material. Define Young’s modulus and explain its significance in engineering applications.

Essay Question 5:

Describe the process of diffusion and state two applications of electrical conduction through gases.

Essay Question 6:

List and explain two properties of cathode rays and how the intensity and energy of cathode rays may be increased.

Essay Question 7:

Provide three observations that support de Broglie’s assumption that moving particles behave like waves.

Essay Question 8:

Differentiate between plane polarization and interference as applied to waves and list two uses of polaroids.

Essay Question 9:

State two factors that affect the mass of elements deposited during electrolysis and list two non-electrolytes.

Essay Question 10:

Explain the principles and applications of a ripple tank in the study of wave phenomena.

Section 3: Sample WAEC Physics Answers 2023 Questions for Objective

In this section, we will provide you with sample WAEC Physics Answers 2023 objective questions to help you understand the format and structure of the examination. These questions are drawn from past WAEC Physics examinations and are designed to give you a clear idea of what to expect in the actual examination.

Objective Question 1:

An electron moves with a speed of 2.00 x 107 ms-1 in an orbit in a uniform magnetic field of 1.20 x 10-3T. Calculate the radius of the orbit. [Mass of an electron = 9.11 x 10-31kg; charge on an electron = 1.61 x 10-19C]

Objective Question 2:

A tennis ball projected at an angle attains a range R = 78 m. If the velocity imparted to the ball by the racket is 30ms-1, calculate the angle of projection. [g=10ms-2]

Objective Question 3:

A metallic bar 50 cm long has a uniform cross-sectional area of 4.0 cm2. If a tensile force of 35kN produces an extension of 0.25 mm, calculate the value of Young’s modulus.

Objective Question 4:

A stone projected horizontally from the top of a tower with a speed of 4 ms-1 lands on the level ground at a horizontal distance of 25 m from the foot of the tower. Calculate the height of the tower. [g = 10 ms-2]

Objective Question 5:

A spiral spring with a metal extends by 10.5cm in the air. When the metal is fully in water, the spring extends by 6.8 cm. Calculate the relative density of the metal (Assume Hooke’s law is obeyed).

Objective Question 6:

A ray of light is incident on an air-glass boundary at an angle θ. If the angle between the partially reflected ray and the refracted ray is 90°, calculate θ given that the refractive index of glass is 1.50.

Objective Question 7:

A ball is projected horizontally from a height with a velocity of 40 ms-1. Calculate the drop in height after traveling a horizontal distance of 30m. [Neglect air resistance; g = 10 ms-1]

Section 4: Tips and Strategies for Tackling WAEC Physics Questions

In this section, we will provide you with valuable tips and strategies to help you tackle WAEC Physics questions effectively and boost your chances of success in the examination.

• Understand the fundamentals: Make sure you have a strong grasp of the fundamental principles and concepts of Physics. This will enable you to apply your knowledge and skills to solve Physics problems accurately and efficiently.
• Practice regularly: Regular practice is essential for success in any examination. Make it a habit to solve sample WAEC Physics questions frequently to familiarize yourself with the format and structure of the examination.
• Review past questions: Reviewing past WAEC Physics questions can help you identify common themes and topics that frequently appear in the examination. This will enable you to focus your preparation on these areas and improve your chances of success.
• Manage your time effectively: Time management is crucial in any examination. Make sure you allocate sufficient time to each question and avoid spending too much time on a single question.
• Read the questions carefully: Read each question carefully and ensure you understand what is required before attempting to answer it. This will help you avoid common mistakes and improve your chances of success.
• Be clear and concise in your answers: Write your answers clearly and concisely, using appropriate terminology and notation. Ensure that your calculations are accurate and your explanations are logical and easy to follow.
• Review your work: Before submitting your examination, take the time to review your work and ensure that you have answered all the questions to the best of your ability. This will help you identify and correct any errors and improve your chances of success.

Section 5: Conclusion

The WAEC Physics examination is a crucial test that requires thorough preparation and practice. By following the tips and strategies provided in this comprehensive guide, you can boost your chances of success in the examination. Remember to practice regularly, review past questions, and stay focused on the fundamental principles and concepts of Physics.

With dedication and hard work, you can excel in the WAEC Physics examination and achieve your desired results. Good luck!

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• WAEC Questions and Answers

Complete WAEC Physics Questions And Answers For 2023 (Objectives & Theory)

See the complete WAEC Physics questions and answers for 2023 (objectives and theory) here.

Information contained in this article is a special bonus for those who are going to sit for the West African Examination Council (WAEC) in 2023.

If you have been searching for the real questions and answers for the 2023 WAEC examination, I am glad to inform you that you have finally come to the right site where all the objective and theory questions for physics have been correctly provided.

In this article, you will be privileged to see all the ‘Expo’ about WAEC physics questions for 2023 .

Carefully read this article to the end if you are really interested in the 2023 WAEC physics questions and answers.

2023 WAEC Physics Objective Questions

2023 waec physics theory questions, 2023 waec physics theory answers.

The following are the expected 2023 WAEC Physics objective questions and their respective answers.

1. Three capacitors each of capacitance 18µf are connected in series. Calculate the effective capacitance.

2. Two spheres of masses 100kg and 90kg respectively have their centres separated by a distance 1.0m. Calculate the magnitude of the force of attraction between them

(a= 6.70 x 10-‘l Nm² kg²).

A.6.70 x 10’N

B. 6.70 x 10-1ºN

C. 6.03 x 10-10N

D. 6.03 x 107N

3. Local action is normally prevented in a simple electric cell by

A. introducing an oxidizing agent in the acid

B. not drawing current continuously for a long period.

C. amalgamating the surface of the plate

D. using a porous pot to isolate from the acid.

4. The lead acid accumulator consists of

A. lead as the positive electrode

B. lead oxide as the negative electrode

C. Hydrochloric acid as the electrolyte

D. Tetraoxosulphate (II) acid as electrolyte.

5. The boiling point of naphthalene is 78°c. What is the temperature in Kelvin?

6. The current in reversed biased junction is due to

A. majority carriers

C. minority carriers

D. electrons.

7. When impurities are added to semi-conductors, the conductivity of the semi-conductors

A. increases

B. decreases

C. remains constant

D. increases then decreases.

8. The time it will take a certain radioactive material with a half-life of 80 days to reduce to 1/32 of its original number is

A. 180 days

B. 200 days

C. 250 days

D. 300 days

9. If two inductors of inductances 3H and 6H are arranged in series, the total inductance is

10. The amount of energy released when 0.5kg of uranium is burn completely is

A. 1.5 x 10¹J

B. 4.5 x 10 8 J

C. 1.5 x 10¹ 6 J

D. 4.5 x 10¹ 6 J

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11. The north pole of a magnet can never be separated from the South Pole because of a property as

A. magnetic monopole

B. magnetic dipole

C. magnetic quadrupole

D. magnetic octopole

12. An electric device is rated 2000W, 250V. The correct fuse rating of the device is

13. The ray which causes gas molecules to glow is known as

A. gamma ray

B. molecule ray

C. cathode ray

D. anode ray

14. Marching soldiers crossing a suspension bridge are usually advised to break their steps to avoid damaging the bridge owing to

A. Resonance

B. Swinging

C. Vibration

D. Oscillation

The figure here shows 3 capacitors connected in series. The potential difference across 6uf capacitor is

16. The electric field intensity in a place where a charge of 10 -10 C experiences a force of 0.4N is

A. 8.0 x10°NC-¹

B. 4.0 x 10°NC ¹

C. 4.0 x 10-NC-¹

D. 8.0 x 10-¹2NC-¹

17. Satellite communication makes use of

A. sound waves

B. radio waves

C. infra-red rays

D. Visible light

18. The velocity of sound in air will be doubled if its absolute temperature is

C. quadrupled

D. constant

19. The process whereby the molecules of different substances move randomly is called

B. Capillary

C. Diffusion

D. Surface-tension

20. The process whereby a liquid turns spontaneously into vapour is called

B. evaporation

C. sublimation

D. regelation.

In the reaction, X is

C. electron

D. neutrino

22. The resistance of a piece of wire of length 20m and cross sectional area 8 x 10 6 m² is

(resistivity of wire = 4 x 10 -7 ohmm)

23. ………….. is the value of F when in equilibrium in the diagram below.

With the above diagram, if the system is in equilibrium, the tension in the string Q is

25. A force of 200N acts between two objects at a certain distance apart. The value of the force when the distance is

26. The particle and wave nature of matter are demonstrated in the equation

B. λ = 2dsin 0

C. λ = hc/E

27. A radio isotope has a decay constant of 10-75-¹. The average life of the isotope is

A. 1.00 x 10 -7 5

B. 1.00 x 10 1 5

C. 6.93 x 10 7 5

D. 6.93 x 10 6 5

28. X-rays can be used in the study of crystals structure because they

A. are invisible

B. are very fast

C. have an extremely short wave length.

D. have a very long reaching wave length.

29. Fluorescent tubes produce light by the

A. thermal agitation of electron in the tube

B. refraction of light by gas

C. excitation of gas molecules

D. conduction of solar energy.

30. An a.c circuit of E.M.F 12V has a resistor of resistance 892 connected in series to an inductor of inductive resistance 160 and a capacitor of capacitive resistance 109. The current flow in the circuit is

31. If a tuned radio receives R,L,C series circuit for resonance, the inductive resistance and capacitive resistance X₁ and X respectively are related as

A. X₁ = 2 X

D. X₁ = 1/xc

32. An a.c circuit of the energy stored in an inductor of inductance 5mH when a current of 6A flows through it is

A. 1.4 x 10²J

B. 1.8 x 10²J

C. 9.0 x 10 -2 J

D. 9.0 x 10 -³ J

33. To protect a material from the influence of an external magnetic field, the material should be kept in a

A. soft iron ring

B. square steel ring

C. Loop of copper wire

D. triangular zinc.

34. A steady current of 2A flows in a coil of E.M.F 12V for 0.4s. A back E.M.F of 3V was induced during this period. The stored energy in the Loop that can be utilised is

In this diagram, the ratio of the electric power dissipated in the 692 and 392 resistors respectively is

36. A cell whose internal resistance is 0.592 delivers a current of 4A to an external resistor. The last voltage of the cell is

37. Given three capacitors 0.3uf, 0.5uf, 0.2μf, the joint capacitance when arranged to give minimum capacitance is

38. The instrument used for securing a large number of similar charges by induction is called

A. electroscope

B. proof plane

C. capacitor

D. electrophorus.

39. The pitch of a sound note depends on

A. frequency

D. harmonics

40. In which of the following materials media would sound travel fastest?

41. In a Daniel cell, the depolariser, positive and negative electrodes are respectively

A. Copper sulphate, copper zinc

B. Manganese dioxide, carbon and zinc

C. Sulphuric acid, lead oxide and lead.

D. potassium hydroxide, nickel and iron.

42. Tea pots are often silver-coated to prevent heat loss by

A. Convection only

B. Conduction only

C. Radiation only

D. Convection and Conduction.

43. If the angle between two vectors P and Q is 0°, the vectors are said to

A. be parallel

B. perpendicular

C. intersect at angle 45°

D. intersect at angle 60°

44. A body of mass 4kg is acted on by a constant force of 12N for 3s. The kinetic energy gained by the body at the end of the time is

45. As the pressure of a fluid increases, its viscosity

A. Increases

B. Decreases

C. Remains constant

D. Increases then decreases.

46. A machine whose efficiency is 60% has a velocity ratio of 5. If a force of 500rt is applied to lift a load P, what is the magnetide of P?

47. The diagram shows 4N, 6N, 10N and 8N which act at a point O in the directions indicated.

The net horizontal force is

48. The change in volume when 480kg of ice is completely melted is

(density of ice = 900kgm³, density of water = 100kg m³)

49. If a force stretches a wire from 20m to 20.01m, what is the amount of force required to stretch the same material from 20m to 20.05m?

50. When left in a freezer, a bottle full of water cracks on freezing into ice because of the

A. contraction of the bottle

B. decrease in the volume of water

C. increase in the volume of water

D. expansion of the bottle.

See also: How to Pass WAEC Examination at One Sitting

• (a) Define specific heat and calorie.
• (b) Find the mass of a steel with specific heat capacity of 330J/kgk, if the temperature is raised from an immersion heater of 15°C to 60°C with a current of 16.77A from 50.6V and the time taken being 1hr 15mins.
• (c) Describe how you would compare approximately the rate at which a given gas ring and electric hot plate can supply heat to a vessel placed on each of them.
• (a) i. What is meant by the caloric value of a solid fuel?

ii. Explain the terms (i) thermal capacity (ii) water equivalent.

• (b) Distinguish between the heat capacity of a body and the specific heat capacity of a substance.
• 32g of water at 60°C is poured into 60g of cold water at 12°C, which is contained in a calorimeter of mass 40 g, and specific heat capacity of 0.1J/gk. Neglecting loss of heat, show that the final resulting temperature is 29°C.003 bm024
• (a) Explain what is meant by

(i) the expansion of water whose rise in temperature is anomalous

(ii) water has a high heat capacity!

(b) A piece of metal of mass 50g heated to 100°C is dropped into 200g of water at 14°C in copper calorimeter weighing 80g and raises the temperature to 70°C. What is the heat capacity of the piece of metal? [Specific heat capacity=0.4J/gk]

(c) i. Give account of an experiment of refraction on liquid and water. ii. What is (i) apparent depth (ii) real depth?

4. (a) The refractive index of glass and water with respect to air are and 4/3 respectively. What is the refractive index of glass to water.

(b) i. Show that when a ray is refracted through a dense medium to a denser medium, the refractive index changes.

ii. Name five applications of total internal reflection. 9. (i)What is meant by total internal reflection and critical angle?

Give two factors affecting total internal reflection

(c) i. Find the refractive index of a prism, when a light ray is incidented on the prism of angle 45° and if the refracting angle of the prism is 60°

ii. Find the thickness of a prism of refractive index of 1.5, if the prism displacement of the object is 1.3m. 12(a)

(d) i. State the laws of refraction of light.

(ii) Describe an experiment to determine the refractive index n of the material of an equilateral triangle glass prism using the minimum deviation method.

• (a) i. State Lenz’s law.

ii. State the essential conditions for the production of an induced e.m.f in a conductor. What determines its magnitude?

(b) i. State Faraday’s law of electromagnetic induction. Draw a labelled diagram of a simple step-up transformer.

ii. Current from the secondary transformer working 240v AC main, the voltage required across the primary side is 96kv. Assuming that the transformer is 100% effective, what ratio of number of turns on the secondary to number of turns in the primary is needed in its windings?

(c) i. What is eddy current? Explain how it could be reduced.

ii. A rectangular coil of wire attached to a commutator rotates between the poles of a permanent magnet to form a dynamo. What is (i) the position of the coil when the e.m.f is greatest (ii) the function of the commutator.

• Find the power wasted as internal energy in bundle conductor, when 10kw is transmitted through the bundled conductor of resistance 0.592 at 200v
• Describe with the aid of a diagram, an experiment to induce a current in a coil of wire and indicate the direction of the current.
• (i) State the laws of electromagnetic induction. (ii) Describe a simple experiment to show how an induced e.m.f can be produced.

1a. Specific Heat Capacity of a substance can be defined as the quantity of heat supplied or required to raise the temperature of a unit mass of 1kg through a unit rise in temperature of 1kelvin.

Calorie can be defined as the unit of energy.

Solution to 1b

t = 1 hr 15mins

1 hr = 60 x 60 = 3600 sec –

15 mins = 15 x 60 = 900 secs –

t = 3600+ 900 = 4500secs

I= 16.77A, V= 50.6V

M=?, C = 330J/kgk

0 ₂= 60°C, 0 1 =15°C

Using the principle of electrical method, heat loss by the heater – heat gained by the solid

Q = Mc [0₂-0₁]

Ivt = Mc [ 0 ₂- 0 ₁]

= 16.77 x 50.6 x 4500 = m x 330 [60 – 15]

= 3818529 = m x 330 x 45

m = 3818529/330 x 45 

3818529 /14850

m = 257.14kg

The mass of the solid is 257.14kg

Check also: Complete WAEC Biology Question and Answers

For more solutions to the theory questions, keep refreshing this page regularly.

More answers loading…>>>

See also: How to Check Your WAEC Result Online

Note : The questions given in this article is just to get you prepared for what you are likely going to see in the examination hall. The 2023 WAEC Physics examination questions and answers might not come exactly as the ones you have seen above.

However, it is necessary that you attempt all the give questions in this post to know how far you have gone with the preparation of the 2023 WAEC examination.

If you have any questions about the Complete WAEC Physics Questions and Answers for 2023, kindly make use of the comment section below this article.

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Waec civic education questions and answers 2024 | essay & objective, 3 thoughts on “ complete waec physics questions and answers for 2023 (objectives & theory) ”.

Thanks sir… But I can’t see those obj answers am sorry to ask

The questions are not complete

please can you post the objective answers

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Physics 2023 WAEC Past Questions

Which of the following statements about the properties of the electric field produced by charged parallel plates is not correct?

• A. The electric field in the region outside the parallel plate is zero, except for the edge effects
• B. The magnitude of the electric field strength at any point between the plates, except near the edges, depends on the magnitude of the charge on each plate.
• C. The magnitude of the electric field strength at any point between the plates is directly proportional to the magnitude of the charge on each plate.
• D. The electric field is uniform everywhere in the space between the parallel plates

The diagram above illustrates a mode of vibration of a wire of length 125 cm. The speed of the waves along the wire is 120 ms-1. Use the diagram to answer questions 2 and 3.  

The diagram above illustrates a mode of vibration of a wire of length 125 cm. The speed of the waves along the wire is 120 ms-1. Use the diagram to answer questions 2 and 3. Determine the frequency of the waves

Which of the following diagrams correctly illustrates the mode of oscillation of air in a tube for the first overtone?

( The diagrams above are meant to help you in answering this question)

The process of producing electric current by a changing magnetic field is referred to as

• A. magnet induction
• B. electromagnetic induction
• C. flux linkage
• D. electrostatic induction.
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WAEC Physics Questions and Answers 2023 Obj & Essay Free Expo

The WAEC Physics will be written on Tuesday, 23rd May, 2023  at 8:30am – 11:15pm, Physics – Essay & OBJ.

For more WAEC subjects questions and answers you can check this website, you’ll also find the available tutorial for WAEC, NECO and JAMB.

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Also find: Waec Physics question and answers, waec 2023 physics questions and answers, questions and answers for WAEC 2023 Physics.

Physics Formulas

1) u=F(mg sin¤)/R(mg cos¤) 2)  limiting frictional force (F)=UR 3)  F(total)= F + mg sin¤ …i.e force required to move a load up the plane 4)  Angular velocity (w)=¤/t…….where ¤=angle….T=TIME measured in rad.s-1 5)  Period of a motion… T=2#/w……where # =pie..and w=angular velocity 6)  Linear velocity.. V=WR….where W=angular velocity R=radius 7) Force F =ma…where m=mass….a=acceleration 8) Centripetal force F = MV^2/R……where M=mass…V=velocity ..R=radius 9) Centripetal force = mv^2/r 10) Centripetal acceleration = v^2/r 11) Newtons law of motion… v = u + at…….1 s= ut + 1/2at^2…….2 v^2 =u^2 + 2as………3

WAEC Physics Questions and Answers 2023 Objective Answers and Essay

(7a) Fiber optics work on the principle of total internal reflection.

(7bi) Core: This is the light transmission area of the fiber, either glass or plastic.

(7bii) cladding is made of a material with a slightly lower index of refraction than the core

9a The dew point is the temperature to which air must be cooled to become saturated with water vapor. It is assumed that air pressure and water content is constant. When cooled further, the airborne water vapor will condense to form liquid water.

It is available now HERE to get

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WASSCE Physics Essay and Objectives Past Questions Paper 1& 2 For 2023 Candidates

WASSCE Physics Essay and Objectives Questions Paper 1& 2 For 2023 Candidates:

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This is the waec Physics Essay and Objectives 2019 past Questions. You can download and try your hands on them. 

This is to help you in your preparation for your upcoming 2022 WASSCE Examination.

Please we Always TRY Our Best to Bring You All the Past Questions. So if you are here, we encourage you to share these articles on all the social media platforms to Help Reach many Students. Thanks for Sharing.

Find below the WASSCE Physics Essay and Objectives 2019 for 2022 JHS 3 students.

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WAEC GCE 2023 PHYSICS ESSAY & OBJECTIVES ANSWERS – How to Get Physics ESSAY & OBJECTIVES Questions And Answers before Exam Time Leading to candidates Success in this particular subject

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WAEC GCE PHYSCICS ESSAY & OBJECTIVES EXPO

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WAEC GCE 2023 PHYSICS ESSAY & OBJECTIVES EXAM DATE AND TIME

Subject : Physics ESSAY & OBJECTIVES 

Exam Type : WAEC GCE  (2nd Series)

Date : Monday 7th December, 2023

Time for WAEC GCE PHYSICS ESSAY & OBJECTIVES : 09:00 am – 12:15pm

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STEPS TO SOLVING WAEC PHYSICS PRACTICAL EXAM QUESTIONS 

 Here are some steps to solve a WAEC Gce Physics ESSAY & OBJECTIVES problem:

1. Read the problem carefully and understand what is being asked. 2. Identify the given information and write it down. 3. Determine the relevant principles, formulas, and concepts that apply to the problem. 4. Substitute the given values into the appropriate formula or equation. 5. Simplify the equation and solve for the unknown variable. 6. Check your answer and ensure it is reasonable and matches the required units. 7. If necessary, round your answer to the appropriate number of significant figures. 8. Finally, write down your solution, including the correct units.

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WAEC Physics Theory Past Questions and Answers in 2023

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Table of Contents

• 1.1 WAEC Essay Questions Part I
• 1.2 WAEC Theory Questions Part II
• 2 Free Download WAEC Theory Past Questions
• 3 How to get WASSCE Physic Objective and Essay Questions and Answers

WAEC Physics Theory Questions and Answers

1 1/2 Hours

[ 60 marks ]

Answer eight questions in all.

Five questions from Part I and three questions from Part II .

WAEC Essay Questions Part I

Answer any five questions from this part.

All questions carry equal marks.

1. (a) Define strain .

(b) A rubber band is stretched to twice its original length.

Calculate the strain on the rubber band.

2. State three materials used for making optical fibres.

3. Name three classes of magnetic materials.

4.(a) What is an intrinsic semiconductor ?

(b) Distinguish between the p-type and n-type semiconductors.

6. A black body radiates maximum energy when its surface temperature T and the corresponding wavelength λ max are related by the equation, λ max T = constant. Given the values of the constant and surface temperature as 2.9 x 10 -3 mK and 57 0 C respectively,

Calculate the frequency of the energy radiated.

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7. (a) What does the acronym LASER stand for?

(b) What is a laser ?

WAEC Theory Questions Part II

Answer any three questions from this part.

8(a) Define uniform acceleration ,

(b) Forces act on a car in motion, list the:

(i) horizontal forces and their directions;

(ii) vertical forces and their directions,

(c) A car starts from rest and accelerate uniformly for 20s to attain a speed of 25 ms -1 .

It maintains this speed for 30s before decelerating uniformly to rest.

The total time for the journey is 60 s.

(i) Sketch a velocity-time graph for the motion,

(ii) Use the graph to determine the:

(α) total distance travelled by the car;     

(β) deceleration of the car.

(d) The figure here illustrates force-extension graph for a stretched spiral spring. Determine the work done on the spring [download document below to see the image]

9. (a) List two factors each that affect heat loss by:

(i) radiation; (ii) convection,

(b)State two factors that determine the quantity of heat in a body.

(c)Explain the statement: The specific latent heat of vaporization of mercury is 2.72 x 10 5 Jkg 1 .

(d)A jug of heat capacity 250 J kg -1 contains water at 28°C

An electric heater of resistance 35Ω connected to a 220 v source is used to raise the temperature of the water until it boils at 100°C in 4 minutes.

After another 5 minutes, 300 g of water has evaporated. Assuming no heat is lost to the surroundings, calculate the:

(i) Mass of water in the jug before heating;

(ii) Specific latent heat of vaporization of steam.

[Specific Heat Capacity of Water = 4200 Jkg -1 K -1 ]

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NECO Physics Questions and Answers 2023 Objective and Essay

• Post author: Study Admin
• Post published: October 26, 2023
• Post category: School News
• Post comments: 0 Comments

NECO physics 2023 answers are now available. NECO physics questions and answers 2023/2024 objective and essay and other exam details for NECO 2023 are on this page. See the 2023 NECO physics answers for both objective and theory below. Get the NECO physics objective and essay answers here.

The 2023 physics NECO OBJ and theory questions and answers are provided here for free. All you have to do is to go through the questions and take note of the NECO physics answers 2023. Read on to find out.

Have you been searching on Google in order to get the NECO physics questions and answers 2023? If so, we have got you covered!

We have the 2023 NECO physics questions and our team of experts will soon upload the NECO physics questions and their accurate answers to help you pass the 2023 NECO physics examination.

The 2023 NECO physics theory questions and OBJ will be uploaded any moment from now. So if you are searching for the NECO physics answers 2023 for objective and theory, then you are on the right page. See NECO physics objective and essay questions and answers below.

NECO Physics Answers 2023 Objective and Theory

The National Examination Council (NECO) is an examination body in Nigeria that conducts the Senior Secondary Certificate Examination and the General Certificate in Education in June/July and November/December respectively.

The 2023 NECO physics questions are set from the SS1 to SS3 physics syllabus. So all the questions you will encounter in this year’s examination are in the syllabus, and nearly 95% of the questions are repeated.

You don’t have to worry about the 2023 NECO physics questions and answers PDF (essay and objective). The NECO physics answers 2023 will be uploaded any moment from now. All you need to do is to keep refreshing this page so as not to miss out.

Once again, keep refreshing this page because we will upload the original NECO physics questions and answers for this year’s exams on this page at any moment from now. Also, to download the past questions and answers, click on this link NECO physics past questions .

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NECO Physics Questions and Answers 2023/2024 | Essay and Objective

NECO   Physics Questions and Answers 2023. I will be showing you the NECO Physics objective and theory answers as well as repeated questions for free in this post. You will also understand how NECO Physics questions are set and how to answer them.

The National Examinations Council (NECO) is an examination body in Nigeria that conducts the Senior Secondary Certificate Examination and the General Certificate in Education in June/July and December/January respectively.

Table of Contents

NECO Physics Objectives And Essay Answers 2023 (Expo)

The 2023 NECO Physics expo will be posted here today 27th July during the NECO Physics examination. Keep checking and reloading this page for the answers.

NECO 2023 Physics Answers Loading.. .

NECO Physics OBJ Answers: The Answers will soon be posted here. Be patient we are solving.

1-10: EADCAEBEBC

11-20: ECDDCDBCCB

21-30: CECBEADCBB

31-40: BADDCDCAAA

41-50: EDACDCACAA

51-60: CEBACCBCAC

Essay Answers:

(i) Solar water heaters: These are devices that use solar collectors to absorb energy from the sun and heat water for domestic or industrial use.

(ii) Solar air heaters: These are devices that use solar collectors to absorb energy from the sun and heat air for space heating or ventilation purposes.

Total Magnification = Magnification of Objective Lens × Magnification of Eyepiece Lens.

Total Magnification = 10

Magnification of Objective Lens = 2

Let “E” represent the magnification of the eyepiece lens.

Static friction is a type of friction that exists between two surfaces in contact with each other when they are not moving relative to each other.

Coefficient of static friction (μs) = Force of static friction/ Normal force

Force of static friction = 3N

Normal force = 5N

μs = 3N / 5N = 0.6

The velocity ratio of a machine is the ratio of the distance moved by the effort to the distance moved by the load. It is a measure of the effectiveness of a machine in transmitting force.

Velocity ratio = distance moved by effort / distance moved by load

A second order lever has the load in the middle, with the effort applied on one side and the fulcrum on the other. The effort arm is longer than the load arm, which means the machine has a mechanical advantage. Examples of second order levers include wheelbarrows and nutcrackers WHILE A third order lever has the effort applied on one end, the load on the other end, and the fulcrum in between. The load arm is longer than the effort arm, which means the machine has a mechanical disadvantage. Examples of third order levers include tweezers and shovels.

Q4&5????

– Angle of incidence (θ₁) = 60°

– Speed of light in air = 3×10⁸ m/s

– Speed of light in glass = 2×10⁸ m/s

The refractive index (n) of a medium can be calculated using the formula:

n = speed of light in vacuum / speed of light in the medium

Refractive index of air (n₁):

n₁ = speed of light in vacuum / speed of light in air

n₁ = 3×10⁸ m/s / 3×10⁸ m/s

Refractive index of glass (n₂):

n₂ = speed of light in vacuum / speed of light in glass

n₂ = 3×10⁸ m/s / 2×10⁸ m/s

Using Snell’s law to find the angle of refraction (θ₂):

n₁ × sin(θ₁) = n₂ × sin(θ₂)

1 × sin(60°) = 1.5 × sin(θ₂)

sin(θ₂) = (1 × sin(60°)) / 1.5

sin(θ₂) = sin(60°) / 1.5

θ₂ = arcsin(sin(60°) / 1.5)

θ₂ ≈ arcsin(0.86602540378 / 1.5)

θ₂ ≈ arcsin(0.57735026919)

θ₂ ≈ 35.26°

(i) Electric motors: Electromagnets are used in electric motors to convert electrical energy into mechanical energy. An electric motor contains an armature with a coil of wire that rotates within a magnetic field created by an electromagnet.

(ii) Magnetic resonance imaging (MRI): Electromagnets are used in MRI machines to create a strong magnetic field that aligns the protons in the body’s tissues. Radio waves are then used to create images of the body’s internal structures.

The soft iron bar can be converted to a magnet by placing it in contact with a bar magnet. When the bar magnet is brought close to the soft iron bar, the magnetic domains in the soft iron bar become aligned with the magnetic field of the bar magnet. This causes the soft iron bar to become magnetized and it will now be able to attract other magnetic materials.

Reactance refers to the opposition that an electrical circuit or component exhibits to the flow of alternating current (AC). It is a fundamental concept in understanding AC circuits and is closely related to the concept of impedance.

Xc = 1/(2πfC)

Xc = Capacitive reactance in ohms (Ω)

π = 3.14 (approximate value)

f = Frequency in Hertz (Hz)

C = Capacitance in Farads (F)

Capacitive reactance (Xc) = 3000Ω

Capacitance (C) = 5µF = 5 * 10-⁶F

Rearranging the formula to solve for frequency (f):

f = 1/(2*π* Xc* C)

Substituting the given values:

f = 1/(2 * 3.14 * 3000 * 5 * 10-⁶ )

f = 1/(2 * 3.14 * 3000 * 0.000005)

f = 1/(6.28 * 0.015)

f = 1/0.0942

f=10.62Hz (approx. 2 decimal).

Photoelectrons are electrons that are emitted from a material when it absorbs electromagnetic radiation, typically in the form of photons (light). This phenomenon is known as the photoelectric effect.

Formula for threshold frequency;

F= Frequency

E = Work function(Energy)

h= Plank’s constant (6.6×10-³⁴)

Converting the work function to joules:

Work function (ϕ) = 3.5 eV = 3.5 × 1.6 × 10-¹⁹ J = 5.6 × 10-¹⁹ J

Substituting the values

F= 5.6 × 10-¹⁹/6.6×10-³⁴

F= 8.48×10¹⁴Hz

(i) Radiation exposure: X-rays are a type of ionizing radiation, which means that they can damage the DNA in cells and increase the risk of cancer. Exposure to high doses of X-rays can also cause radiation sickness, which can lead to nausea, vomiting, and hair loss.

(ii) Skin burns: X-rays can cause skin burns if the skin is exposed to a high dose of radiation. The severity of the burn depends on the dose of radiation and the duration of exposure.

(i) Soft X-rays have lower energy levels, while hard X-rays have higher energy level

(ii) Soft X-rays are commonly used in scientific research, such as studying atomic structures and electronic properties while Hard X-rays are more prevalent in medical and industrial applications, like diagnosing fractures, inspecting welds, or examining luggage at airports for security purposes.

(iii) Soft X-rays are more easily absorbed by matter than hard X-rays. As a result, softer X-rays are used to examine lighter elements, while harder X-rays are preferred for studying heavier elements in samples.

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See: NECO Civic Education Answers

NECO Physics Questions and Answers For Practice

The questions below are the NECO 2022 Physics Practice Questions. Go through them and be ready to score high in your NECO 2022 Physics Examination.

1. The equation X 150 62  => Y 150  63  + -1 + energy, represents

A. Alpha decay

B. Beta-decay

C. Gamma decay

D. Photon emission

ANSWER: B (Beta-decay)

2. The ice and steam points of a thermometer are 20mm and 100mm respectively. A temperature of 75 degree Celsius corresponds to Y mm on the thermometer. What is Y?

ANSWER: C (80mm)

3. When a yellow card is observed through a blue glass, the card would appear as

ANSWER: A (Black)

4. In a nuclear plant, the final mass of the products is 6.32×10^-27kg, while the initial mass of the reactant is 6.30×10^-27kg, the energy released in the process is (speed of light in vacuum 3.0×10^8m/s, 1eV = 1.6×10^-19J)

A. 11.25meV

B. 11.25 MJ

D. 12.25meV

ANSWER: A (11.25meV)

5. A 1.5kg stone was thrown vertically upward with an initial velocity of 42m/s, What is the potential energy of the stone at the highest point reached.

6. When two objects P and Q are supplied with the same quantity of heat, the temperature change in p is observed to be twice that of Q. The mass of P is half that of Q. The ratio of the specific heat of P to Q is

ANSWER: C (1:1)

7. The following statements were made by some students describing what happened during the determination of the melting point of solids

1. The temperature of the solid was constant until melting started

2. The temperature of the solid rose until melting started

3. During melting, the temperature was rising

4. During melting, the temperature was constant

5. The temperature continued to rise after all the solid had melted.

6. The temperature stopped rising after all the solid had melted. Which of the following gives correct statements in the right order?

A. 2, 4 and 5

B. 2, 3 and 6

C. 1, 3 and 6

D. 1, 3 and 5

ANSWER: A (2, 4, and 5)

8. A silver spoon and a wooden spoon are both at room temperature. The silver spoon is cooler to touch because silver

A. has a greater density

B. can be polished

C. is a less absorbent material than wood

D. is a better conductor of heat

ANSWER: D (is a better conductor of heat)

See: NECO Timetable

NECO Physics Essay Questions

1. (a) A student makes a model of an atom. The model contains 24 electrons, 25 protons and 26 neutrons. Some of these particles are inside a nucleus at the centre of the model. (i) Determine the nucleon number (mass number) of the atom. (ii) Explain why the model represents a charged atom. (iii) The student makes a new model of a different isotope of the same element. Describe the nucleus of this new model.

Ans:  1 (a) (i) 51 B1 (ii) more protons than electrons or different number of protons and electrons positive and negative do not cancel. (iii) 25 protons. a different number of neutrons.

2. Fig. 1.1 shows the distance-time graph for two cyclists A and B. They start a 500 m race together but finish the race at different times.

(a) Use Fig. 1.1 to determine (i) the distance between A and B at time t = 20s, (ii) the difference in the time taken by A and B for the race.

(b) Cyclist C starts the race at the same time as A and B and covers the first 200m of the race at a constant speed of 5.0 m/s. He then accelerates and finishes the race at t = 60s. (i) On Fig. 1.1, draw the distance-time graph for cyclist C. (ii) Calculate the average speed of cyclist C for the whole race.

Ans:  (a) (i) 60 m (ii) 12s (b) (i) straight line from origin to 200 m at 40s any line straight or curved from (40,200) to (60,500) (ii) s = d/t or 500/60 = 8.3m/s

Neco Physics Objective Sample Questions;

If a satellite travels at a constant speed round the earth in a circular orbit,

1. Which of the quantities in the list below are scalars. (a) acceleration (b) force (c) mass (e) speed.

2. The velocity of the satellite changes, but its speed is constant. State what is meant by velocity…………………….

3. Explain why the velocity changes……………………………

4. Explain what makes this satellite move in an orbit that is circular

Have a Target and Work Towards Actualizing it 

You have decided to pass NECO Physics 2023 and I am sure of that. Now, the next thing you should do is set targets.

You have told yourself, “I will score A in Neco Physics 2023”, that’s not all. You need to plan on how to make it happen. Create a timetable and master plan to achieve your goals.

Get the Recommended Textbook on Physics  for 2023 NECO Examination

Normally, NECO recommends books for the examination. But apart from NECO English Literature where certain novels are compulsory, you are free to use any good English Language textbook to prepare for NECO 2023 exam.

Some textbooks are more difficult to understand. If you have any topic you are finding difficult to understand, then get a textbook that will simplify the topics and make life better for you.

 Do not Skip Physics Examples and Exercise you Will Come Across While Reading: 

Many candidates are fond of skipping exercises and even examples while studying textbooks. In fact, we like notebooks so much that we could ask, “can I read my notebook and pass NECO Physics 2023?” Don’t be scared of attempting exercises in Biology. Face the challenges.

Note: The above questions are likely NECO Physics Questions and Answers, not the real questions

If you have any questions about the  NECO Physics Questions and Answers 2023 , kindly drop your question in the comment box.

Last Updated on July 27, 2023 by Admin

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126 thoughts on “NECO Physics Questions and Answers 2023/2024 | Essay and Objective”

Please sir I need today answer

Thank you sir for your kindness heart

Pls can I know what neco will set for chemistry obj theory and practical

Thank you sir for your kind gesture

thank you so much sir for your kindness to us wish you long life and prosperity

Thanks alot pls put the one foe chemistry

Pls sir I need today physics answers

Please Sir i need neco answer physics today

Please I need today physics

Please can I get the answers before the examination????

pls physics question & answer now pls thank

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2024 WAEC GCE Physics Questions and Answers Expo (Runz)

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2023 Nobel Prize in Physics

On October 3, the Nobel Prize in Physics 2023 was awarded to Pierre Agostini , Ferenc Krausz and Anne L’Huillier "for experimental methods that generate attosecond pulses of light for the study of electron dynamics in matter".*

This year’s Nobel Laureates didn’t achieve their breakthroughs overnight. Below you can read, share, and download a selection of their research that’s published across Springer Nature’s journals and books. Find the story of this year’s Laureates in Physics.

*The Nobel Prize in Physics 2023. NobelPrize.org. Nobel Prize Outreach AB 2023. Tue. 3 Oct 2023.

• View publications by Pierre Agostini
• View publications by Ferenc Krausz
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Collection  06 March 2024

Physics Top 100 of 2023

This collection highlights the most downloaded* physics research papers published by Scientific Reports in 2023. Featuring authors from around the world, these papers highlight valuable research from an international community.

You can also view the journal's overall Top 100 or the Top 100 within various subject areas . *Data obtained from SN Insights, which is based on Digital Science’s Dimensions.

Geometric and physical interpretation of the action principle

• Gabriele Carcassi
• Christine A. Aidala

Hidden chamber discovery in the underground Hellenistic necropolis of Neapolis by muography

• Valeri Tioukov
• Kunihiro Morishima
• Giovanni De Lellis

Synthesis of prebiotic organics from CO 2 by catalysis with meteoritic and volcanic particles

• Sophia Peters
• Dmitry A. Semenov
• Oliver Trapp

Alpha radiation from polymetallic nodules and potential health risks from deep-sea mining

• Jessica B. Volz
• Walter Geibert
• Sabine Kasten

Geomagnetic disturbance associated with increased vagrancy in migratory landbirds

• Benjamin A. Tonelli
• Casey Youngflesh
• Morgan W. Tingley

Distribution of energy in the ideal gas that lacks equipartition

• Dmitry M. Naplekov
• Vladimir V. Yanovsky

Quantization of events in the event-universe and the emergence of quantum mechanics

• Felix Benninger
• Andrei Khrennikov

Proposal for a Lorenz qubit

• Michael R. Geller

Coherent control of light-induced torque on four-level tripod atom systems

• Ali Mehdinejad

Variational quantum non-orthogonal optimization

• Pablo Bermejo

Graphene oxide classification and standardization

• Katarzyna Z. Donato
• A. H. Castro Neto

Semiconductivity induced by spin–orbit coupling in Pb 9 Cu(PO 4 ) 6 O

• Jianrong Ye

The influence of solar-modulated regional circulations and galactic cosmic rays on global cloud distribution

• Vinay Kumar
• Surendra K. Dhaka
• Shigeo Yoden

Revisiting self-interference in Young’s double-slit experiments

• Sangbae Kim
• Byoung S. Ham

Improvements in 2D p-type WSe 2 transistors towards ultimate CMOS scaling

• Naim Hossain Patoary
• Ivan Sanchez Esqueda

DNA sequencing at the picogram level to investigate life on Mars and Earth

• Jyothi Basapathi Raghavendra
• Maria-Paz Zorzano
• Javier Martin-Torres

Entanglement detection with artificial neural networks

• Uman Khalid
• Hyundong Shin

Epoxidized graphene grid for highly efficient high-resolution cryoEM structural analysis

• Junso Fujita
• Fumiaki Makino
• Tsuyoshi Inoue

Physically informed machine-learning algorithms for the identification of two-dimensional atomic crystals

• Laura Zichi

A quadratic time-dependent quantum harmonic oscillator

• E. García Herrera
• B. M. Rodríguez-Lara

Time domain double slit interference of electron produced by XUV synchrotron radiation

• T. Kaneyasu
• Y. Hikosaka

Observing cosmic-ray extensive air showers with a silicon imaging detector

• Satoshi Kawanomoto
• Michitaro Koike
• Tsuyoshi Terai

A robophysical model of spacetime dynamics

• Shengkai Li
• Hussain N. Gynai
• Daniel I. Goldman

DFT-aided machine learning-based discovery of magnetism in Fe-based bimetallic chalcogenides

• Dharmendra Pant
• Suresh Pokharel
• Ranjit Pati

Quantum-aided secure deep neural network inference on real quantum computers

• Julie McCann

Practical overview of image classification with tensor-network quantum circuits

• Diego Guala
• Shaoming Zhang
• Juan Miguel Arrazola

Long distance entanglement and high-dimensional quantum teleportation in the Fermi–Hubbard model

• Sanaa Abaach
• Zakaria Mzaouali
• Morad El Baz

Nuclear shell-model simulation in digital quantum computers

• A. Pérez-Obiol
• A. M. Romero
• B. Juliá-Díaz

Investigation of interfacial strength in nacre-mimicking tungsten heavy alloys for nuclear fusion applications

• J. V. Haag IV
• M. Murayama

Characterization of interaction phenomena of electromagnetic waves with metamaterials via microwave near-field visualization technique

• Zhirayr Baghdasaryan
• Arsen Babajanyan

Perpendicular magnetic anisotropy, tunneling magnetoresistance and spin-transfer torque effect in magnetic tunnel junctions with Nb layers

• Pravin Khanal
• Wei-Gang Wang

Quantum AI simulator using a hybrid CPU–FPGA approach

• Teppei Suzuki
• Tsubasa Miyazaki
• Takahiro Otsuka

Externally-triggerable optical pump-probe scanning tunneling microscopy with a time resolution of tens-picosecond

• Katsuya Iwaya
• Munenori Yokota
• Hidemi Shigekawa

Forty thousand kilometers under quantum protection

• N. S. Kirsanov
• V. A. Pastushenko
• V. M. Vinokur

Quantum causality emerging in a delayed-choice quantum Cheshire Cat experiment with neutrons

• Richard Wagner
• Wenzel Kersten
• Yuji Hasegawa

Additional flight delays and magnetospheric–ionospheric disturbances during solar storms

Quantum face recognition protocol with ghost imaging

• Vahid Salari
• Dilip Paneru
• Ebrahim Karimi

Variational quantum approximate support vector machine with inference transfer

• Siheon Park
• Daniel K. Park
• June-Koo Kevin Rhee

A novel method for extracting metals from asteroids using non-aqueous deep eutectic solvents

• Rodolfo Marin Rivera
• Philip Bird
• Andrew P. Abbott

Heterostrain and temperature-tuned twist between graphene/ h -BN bilayers

Observations of the delayed-choice quantum eraser using coherent photons

Study the charging process of moving quantum batteries inside cavity

• Maryam Hadipour
• Soroush Haseli
• Maryam Rashidi

Imaging and identification of single nanoplastic particles and agglomerates

• Ambika Shorny
• Fritz Steiner
• Sarah M. Skoff

A solvable model for symmetry-breaking phase transitions

• Shatrughna Kumar
• Boris A. Malomed

CMOS-compatible ising machines built using bistable latches coupled through ferroelectric transistor arrays

• Antik Mallick
• Zijian Zhao
• Nikhil Shukla

Improving Josephson junction reproducibility for superconducting quantum circuits: junction area fluctuation

• Anastasiya A. Pishchimova
• Nikita S. Smirnov
• Ilya A. Rodionov

CryoFIB milling large tissue samples for cryo-electron tomography

Optimization of shadow evaporation and oxidation for reproducible quantum Josephson junction circuits

• Dmitry O. Moskalev
• Evgeniy V. Zikiy

Efficient noise mitigation technique for quantum computing

• Mohamad Hussein Naim
• Fadi Kurdahi

Genetic algorithm optimization of broadband operation in a noise-like pulse fiber laser

• Coraline Lapre
• Fanchao Meng
• John M. Dudley

Entanglement and quantum correlation measures for quantum multipartite mixed states

• Arthur Vesperini
• Ghofrane Bel-Hadj-Aissa
• Roberto Franzosi

Highly efficient graphene terahertz modulator with tunable electromagnetically induced transparency-like transmission

• Myunghwan Kim
• Seong-Han Kim
• Chul-Sik Kee

Quantum neural network cost function concentration dependency on the parametrization expressivity

• Lucas Friedrich
• Jonas Maziero

Dephasing by optical phonons in GaN defect single-photon emitters

• Farhan Rana

Effects of Ni/Co doping on structural and electronic properties of 122 and 112 families of Eu based iron pnictides

• Joanna Stępień
• Damian Rybicki
• Danilo Oliveira De Souza

Exploring the evidence of Middle Amazonian aquifer sedimentary outburst residues in a Martian chaotic terrain

• J. Alexis P. Rodriguez
• Mary Beth Wilhelm
• Denise Buckner

A universal variational quantum eigensolver for non-Hermitian systems

• Huanfeng Zhao
• Tzu-Chieh Wei

Large area MoS 2 thin film growth by direct sulfurization

• Kai-Yao Yang
• Hong-Thai Nguyen
• Hsiang-Chen Wang

Utilizing photonic band gap in triangular silicon carbide structures for efficient quantum nanophotonic hardware

• Pranta Saha
• Sridhar Majety
• Marina Radulaski

Impact of deoxygenation/reoxygenation processes on the superconducting properties of commercial coated conductors

• Pablo Cayado
• Marco Bonura
• Carmine Senatore

3D metamaterial ultra-wideband absorber for curved surface

• Mahdi Norouzi
• Saughar Jarchi
• Gholamhosein Moloudian

A fully fiber-integrated ion trap for portable quantum technologies

• Xavier Fernandez-Gonzalvo
• Matthias Keller

Microscopic-scale magnetic recording of brain neuronal electrical activity using a diamond quantum sensor

• Nikolaj Winther Hansen
• James Luke Webb
• Ulrik Lund Andersen

Observation of plasma inflows in laser-produced Sn plasma and their contribution to extreme-ultraviolet light output enhancement

• Kentaro Tomita
• Katsunobu Nishihara

Spin-flip-driven anomalous Hall effect and anisotropic magnetoresistance in a layered Ising antiferromagnet

• Dong Gun Oh
• Jong Hyuk Kim
• Young Jai Choi

Survivability of the lichen Xanthoria parietina in simulated Martian environmental conditions

• Christian Lorenz
• Elisabetta Bianchi
• Mickaël Baqué

Fluorescence and phosphorescence lifetime imaging reveals a significant cell nuclear viscosity and refractive index changes upon DNA damage

• Ellen Clancy
• Siva Ramadurai
• Stanley W. Botchway

Entropy defect in thermodynamics

• George Livadiotis
• David J. McComas

Design and optimization of broadband metamaterial absorber based on manganese for visible applications

• Shimaa I. Sayed
• K. R. Mahmoud
• Roaa I. Mubarak

A reconfigurable graphene patch antenna inverse design at terahertz frequencies

• Mohammad Mashayekhi
• Pooria Kabiri
• Mohammad Soleimani

Precision dual-comb spectroscopy using wavelength-converted frequency combs with low repetition rates

• Yohei Sugiyama
• Tsubasa Kashimura
• Feng-Lei Hong

Study comparing the tribological behavior of propylene glycol and water dispersed with graphene nanopowder

• A. Haribabu
• Raviteja Surakasi
• Sasan Zahmatkesh

Tunable growth of one-dimensional graphitic materials: graphene nanoribbons, carbon nanotubes, and nanoribbon/nanotube junctions

In-situ atomic level observation of the strain response of graphene lattice

• Jz-Yuan Juo
• Bong Gyu Shin
• Soon Jung Jung

Control of magnetic states and spin interactions in bilayer CrCl 3 with strain and electric fields: an ab initio study

• Ali Ebrahimian
• Anna Dyrdał
• Alireza Qaiumzadeh

Ultrathin acoustic metamaterial as super absorber for broadband low-frequency underwater sound

• Xindong Zhou
• Xiaochen Wang
• Fengxian Xin

Speed limit of quantum metrology

• Yusef Maleki
• Bahram Ahansaz
• Alireza Maleki

Spin Seebeck effect mediated reversal of vortex-Nernst effect in superconductor-ferromagnet bilayers

• Himanshu Sharma
• Zhenchao Wen
• Masaki Mizuguchi

Frequency-domain interferometry for the determination of time delay between two extreme-ultraviolet wave packets generated by a tandem undulator

Sustainable colonization of Mars using shape optimized structures and in situ concrete

• Omid Karimzade Soureshjani
• Ali Massumi
• Gholamreza Nouri

New insights into APCVD grown monolayer MoS 2 using time-domain terahertz spectroscopy

• Saloni Sharma
• Pooja Chauhan
• Bipin Kumar Gupta

Testing entanglement of annihilation photons

• Alexander Ivashkin
• Dzhonrid Abdurashitov
• Igor Tkachev

Characterisation of a single photon event camera for quantum imaging

• Victor Vidyapin
• Yingwen Zhang
• Benjamin Sussman

Automatic detection of multilayer hexagonal boron nitride in optical images using deep learning-based computer vision

• Fereshteh Ramezani
• Sheikh Parvez
• Bradley M. Whitaker

Taking advantage of noise in quantum reservoir computing

Higher-order topological corner state in a reconfigurable breathing kagome lattice consisting of magnetically coupled LC resonators

• Kenichi Yatsugi
• Shrinathan Esakimuthu Pandarakone
• Hideo Iizuka

Impact of the South Atlantic Anomaly on radiation exposure at flight altitudes during solar minimum

• Matthias M. Meier
• Thomas Berger
• Michael Wirtz

Initial results of the meteorological data from the first 325 sols of the Tianwen-1 mission

• Chunsheng Jiang

Stacked SiGe nanosheets p-FET for Sub-3 nm logic applications

• Chun-Lin Chu
• Shu-Han Hsu
• Szu-Hung Chen

Direct evidence of terahertz emission arising from anomalous Hall effect

• Venkatesh Mottamchetty
• Rahul Gupta

Thermodynamic determination of the equilibrium first-order phase-transition line hidden by hysteresis in a phase diagram

• Keisuke Matsuura
• Yo Nishizawa
• Fumitaka Kagawa

Panoramic dental tomosynthesis imaging by use of CBCT projection data

• Taejin Kwon
• Seungryong Cho

Magnetic field and nuclear spin influence on the DNA synthesis rate

• Sergey V. Stovbun
• Dmitry V. Zlenko
• Anatoly L. Buchachenko

Comparison of cubesat and microsat catastrophic failures in function of radiation and debris impact risk

• Isabel Lopez-Calle
• Alexander I. Franco

2D tunable all-solid-state random laser in the visible

• Bhupesh Kumar
• Patrick Sebbah

Highly sensitive label-free biosensor: graphene/CaF 2 multilayer for gas, cancer, virus, and diabetes detection with enhanced quality factor and figure of merit

• Behnam Jafari
• Elnaz Gholizadeh
• Saeed Golmohammadi

Highly nonlinear optic nucleic acid thin-solid film to generate short pulse laser

• Marjan Ghasemi
• Pulak Chandra Debnath
• Kyunghwan Oh

Trapping and manipulating skyrmions in two-dimensional films by surface acoustic waves

• Yu Miyazaki
• Tomoyuki Yokouchi
• Yuki Shiomi

Direct observation of electric field-induced magnetism in a molecular magnet

• M. Lewkowitz
• Ali Sirusi Arvij

[ 18 F]Tosyl fluoride as a versatile [ 18 F]fluoride source for the preparation of 18 F-labeled radiopharmaceuticals

• John A. Katzenellenbogen

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