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What are JAMB Physics Questions and Answers 2025
JAMB Physics Questions and Answers 2025 are the questions you should expect in your Physics paper in 2025 UTME, together with their answers.
It is very important that every candidate preparing to sit for Physics in the forthcoming 2025 JAMB UTME examination should catch a glimpse of these questions.
In so doing, they will know what to expect in the JAMB CBT hall. Knowing exactly what to expect will boost their confidence and guarantee them a very high score.
JAMB Physics Questions and Answers 2025 Revealed!
On this page, we shall reveal JAMB Physics Questions and Answers 2025 for all candidates taking the Physics paper.
How lucky you are to stumble upon this important page!
The questions are genuine and the answers are accurate, and all are a product of our passion to see you excel in your JAMB and gain admission into your dream institution.
In the following sections, you will read the Physics questions you are to expect in your 2025 JAMB exam as well as their answers. You can use the comments section if you still need clarification over some of the questions. We will give you a more detailed explanation.
JAMB is a very serious examination and a lot depend on it. You will answer 40 questions in JAMB Physics 2025 within 26 minutes. So it’s important that you pay attention to the information revealed on this page.
JAMB Physics Questions and Answers 2025 [Numbers 1 – 10]
1. Which of the following represents the correct precision if the length of a piece of wire is measured with a meter rule?
A. 35mm B. 35.0mm
C. 35.00mm D. 35.01mm
2. To keep a vehicle moving at a constant speed V requires power P, from the engine. The force provided by the engine is
A. P/V B. V/2
C. PV D. P/V2
3. Which of the following statements give the TRUE difference between evaporation and boiling?
i. Evaporation occurs at all temperatures while boiling occurs at a fixed temperature for a given pressure
ii. Evaporation is a surface phenomenon while boiling is an interior phenomenon
iii. Evaporation is affected by surface area while boiling is not
A. i and ii only
B. i and iii only
C. ii and iii only
D. i, ii and iii only
4. Equal masses of copper and rubber are raised to the same temperature. After sometime, the copper was observed to be at a lower temperature because
A. the specific heat capacity of copper is lower than that of rubber.
B. copper expands more than rubber.
C. the specific heat capacity of rubber is lower than that of copper.
D. rubber expands more than copper.
5. Which of the following statements is correct about a long-sighted boy who does not put on glasses?
A. He cannot see distant objects clearly
B. Rays of light from a close object are focused in front of the retina
C. His eyeball is too long
D. Parallel rays of light are focused behind the retina
6. A 12V battery has an internal resistance of 0.5Ω. If a cable of 1.0Ω resistance is connected across the terminals of the battery, the current drawn from the battery is
A. 16.0A B. 8.0A
C. 0.8A D. 0.4A
7. If two parallel wires carry currents flowing in the same direction, the conductors will
A. attract each other
B. repel each other
C. both move in the same direction
D. have no effect on each other
8. From the generating station to each sub-station, power is transmitted at a very high voltage so as to reduce
A. eddy current loss
B. hysteresis loss
C. heating in the cables
D. magnetic flux leakage
9. Two tuning forks of frequencies 256Hz and 260Hz are sounded close to each other. What is the frequency of the beats produced?
A. 516Hz B. 258Hz
C. 4Hz D. 300Hz
10. The fundamental frequency of vibration of a sonometer wire may be halved by
A. doubling the length of the wire
B. doubling the mass of the wire
C. reducing the tension by half
D. reducing the absolute temperature by half
Answers to Physics Question Number 1 – 10
1.B 2.A 3.B 4.A 5.D
6.B 7.A 8.C 9.C 10.A
JAMB Physics Questions and Answers 2025 [Numbers 11 – 20]
11. A transformer has a primary coil with 500 turns and a secondary coil with 2500 turns. When the voltage input to the primary is 120V, the output is
A. 6000V B. 600V
C. 240V D. 60V
12. The principle of operation of an induction coil is based on
A. Ohm’s law
B. Ampere’s law
C. Faraday’s law
D. Coulomb’s law
13. 4g of radioactive material of half-life 10days is spilled on a laboratory floor. How long would it take to disintegrate 3.5g of the material?
A. 11/4 days
B. 8 ¾ days
C. 30 days
D. 80 days
14. Which of the following statements correctly describe(s) cathode rays?
I. They consist of tiny particles carrying negative electric charges
II. They are deflected in a magnetic field but not in an electric field
III. They consist of fast moving neutrons and are deflected in an electric field
A. i only
B. iii only
C. i and ii only
D. ii and iii only
15. Which of the following is most strongly deflected by a magnetic field?
A. γ-rays B. α-rays
C. β-particles D. X-rays
16. Which of the following is a set of vectors?
A. force, mass and momentum
B. acceleration, velocity and momentum
C. mass, weight and density
D. mass, volume and density
17. A catapult used to hold a stone of mass 500g is extended by 20cm with an applied force, F. If the stone leaves with a velocity of 40m/s, the value of F is
A. 4.0 ×102 N/m2 B. 2.0 × 103 N
C. 4.0 × 103 N D. 4.0 × 104 N
18. A parachute attains a terminal velocity when
A. its density is equal to the density of air
B. the viscous force of air and upthrust completely counteract its weight
C. it expands as a result of reduced external pressure
D. the viscous force of the air is equal to the sum of the weight and upthrust
19. An electrical heater is used to melt a block of ice, mass 1.5kg. If the heater is powered by a 12V battery, and a current of 20A flows through the coil, calculate the time taken to melt the block of ice at 0°C. (specific latent heat of fusion of ice = 336 ×103J/kg)
A. 76.0min B. 35.0min
C. 21.0mn D. 2.9min
20. 200g of water at 90°C is mixed with same quantity of water at 30°C. What is the final temperature?
A. 50°C B. 60°C
C. 70°C D. 80°C
Answers to Physics Question Number 11 – 20
11.B 12.C 13.C 14.A 15.C
16.B 17.B 18.B 19.B 20.B
JAMB Physics Questions and Answers 2025 [Numbers 21 – 30]
6. The equation PXVYTZ = constant is Charles law when
A. x=1, y=1, z=1
B. x=0, y=1, z=-1
C. x=1, y=0, z=-1
D. x=0, y=1, z=1
7. For a short-sighted person, light rays from a point on a very distant object is focused
A. in front of the retina
B. behind the retina
C. behind the retina by a diverging lens
D. in front of the retina a distance 2F from the lens
8. Dispersion of light by a glass prism is due to the
A. different hidden colours of the glass
B. different speeds of various colours in glass
C. defect in the glass
D. high density in glass
9. To produce an enlarged and erect image with a concave mirror, the object must be positioned
A. between the principal focus and the centre of curvature
B. at the principal focus
C. between the principal focus and the pole
D. beyond the centre of curvature
10. To convert an ac dynamo to dc dynamo, the
A. number of turns of the coil is increased.
B. slip rings are replaced with a split-ring commutator
C. number of turns of the coil is reduced.
D. split-ring commutator is replaced with slip rings.
11. In an AC circuit that contains only a capacitor, the voltage
A. lags behind the current by 90°
B. leads the current by 90°
C. lags behinds the currents by 180°
D. leads the current by 180°
12. The purpose of dielectric material in a parallel plate capacitor is to
A. increase the capacitance
B. decrease its capacitance
C. insulate the plates from each other
D. increase the magnetic field between plates
13. A substance has a half-life of 3min. After 6mins, the count rate was observed to be 600. What was its count rate at zero time?
A. 200 B. 1200
C. 1600 D. 2400
14. If light with photon energy 2eV is incident on the surface of a metal with work function 3eV, then
A. no electron will be emitted
B. the few electrons emitted will have maximum kinetic energy of 1eV
C. the few electrons emitted will have a maximum kinetic energy of 3eV
D. many electrons will be emitted with maximum kinetic energy of 5eV
15. In a nuclear fusion experiment, the loss of mass amount to 1.0×10-6kg. The amount of energy obtained from the fusion (speed of light=3.0×108m/s) is
A. 3.0 x 10-4 J B. 3.0 x 10 -4 J
C. 9.0 x 10 -4J D. 9.0 x1010 J
Answers to Physics Question Number 21 – 30
21.B 22.A 23.B 24.C 25.B
26.A 27.A 28.D 29.A 30.D
JAMB Physics Questions and Answers 2025 [Numbers 31 – 40]
31. The extension of a spring when 5g weight was hung from it was 0.56cm. If Hooke’s law is obeyed, what is the extension caused by a load of 20g weight?
A. 1.12cm B. 2.14cm
C. 2.52cm D. 2.24cm
32. The distance travelled by a particle starting from rest is plotted against the square of the time elapsed from the commencement of motion. The resulting graph is a measure of
A. initial displacement
B. initial velocity
C. acceleration
D. average velocity
33. A 90cm uniform lever has a load of 30N suspended at 15cm from one of its ends. If the fulcrum is at the centre of gravity, the force that must be applied at its other end to keep it in horizontal equilibrium is
A. 15N B. 20N
C. 30N D. 60N
34. Two points on a velocity-time graph have coordinates (5s, 10m/s) and (20s, 20m/s). Calculate the mean acceleration between the two points.
A. 0.67m/s2 B. 0.80m/s2
C. 1.50m/s2 D. 2.00m/s2
35. Which of the following statements are correct?
i. Land and sea breezes are natural convection
ii. The vacuum in a thermo flask prevents heat loss due to convection only
iii. Convection may occur in liquids or gases but not in solids
A. i and ii only
B. ii and iii only
C. i and iii only
D. i, ii and iii only
36. The property of the eye known as its power of accommodation is controlled by the
A. pupil
B. vitreous humour
C. iris
D. ciliary muscles
37. Under constant tension and constant mass per unit length, the note produced by a plucked string is 500Hz when the length of the wire is 0.9m. At what length is the frequency 150Hz?
A. 3m B. 0.27m
C. 8.33m D. 6740m
38. An object is placed in front of two plain mirrors inclined at an angle of θ°. If the total number of images formed is 7, find the value of θ°.
A. 30° B. 45°
C. 51° D. 90°
39. The north pole of a magnet can never be separated from the south pole because of a property known as
A. magnetic dipole
B. magnetic moment
C. magnetic monopole
D. magnetic quadrupole
40. If the distance between two points charges is increased by a factor of four, the magnitude of electrostatic force between them will be
A. ½ of its initial value
B. ¼ of its initial value
C. 1/16 of its initial value
D. 4 times of its initial value
Answers to Physics Question Number 31 – 40
31.D 32.C 33.B 34.C 35.C
36.D 37.A 38.B 39.A 40.C
Read Also: 20 Most Repeated Topics in JAMB Physics Exams 2025
Conclusion
So here you have the 40 Physics Questions you can expect to see in your 2025 JAMB examination. Read them again and again. Ensure that you get very familiar with each of them to the extent that you can readily recognize them any time.
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