Classroom

Physics Past Questions

Updated description

4,719 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10

Select subject

Download PHP app Ask a Question Check Syllabus Past Question Videos Topic Video Lessons

Take a test

Custom CBT

Create and set up a CBT environment with your preferred subjects.

JAMB CBT Simulator

Practice JAMB CBT with real UTME past questions in CBT format.

WAEC CBT Practice 2026 Simulator

CB-WASSCE styled past question practice.

NECO CBT Practice 2026 Simulator

SSCE & GCE styled past question practice.

Past Questions

4,719 questions

Question 1 of 20 4,719 total questions

Question 2261

jamb 1982

The force responsible for holding the moon in its orbit around the earth against the gravitational pull of the earth is

Acentrifugal

Brotational

Creaction

Dcentripetal

Etractional

View Explanation & Discuss

Question 2262

jamb 1982

An electric iron is rated at 1000watts, 250v. The corresponding maximum resistance and accompanying current is

A62.5A, 4.0\(\Omega\)

B16.0A, 62.5\(\Omega\)

C62.5A, 16.0\(\Omega\)

D4.0A, 62.5\(\Omega\)

E4.0A, 250\(\Omega\)

View Explanation & Discuss

Question 2263

jamb 1982

The echo of a sounder from the bottom of an ocean is heard 2.5 seconds later. If the speed of sound in water is 1,400ms-1, the depth of the ocean is

A1,750m

B3,500m

C1,400m

D2,800m

E2,100m

View Explanation & Discuss

Question 2264

jamb 1982

The tyre pressure of a car was found to be 150cmHg in the morning at a temperature of 27°C. Hard driving in the afternoon raised the temperature of the tyres to 57°C. The tyre pressure had by the afternoon was?

Aincreased by 15.0cm Hg

Bdecreased by 15.0cm Hg

Cincreased by 22.50cm

Ddecreased by 22.50cm Hg

Eremained constant

View Explanation & Discuss

Question 2265

jamb 1982

When equal weights of iron and water are subjected to equal supply of heat, it is found that the piece of iron become more hotter than water after a short time because

Athe specific heat of iron is higher than that of water

Biron is in solid form

Cwater is in liquid form

Dthe specific heat of water is higher than that of iron

Ethe specific heat of iron is infinite

View Explanation & Discuss

Question 2266

jamb 1982

One of the following readings represents the measurement of the length of a metal rod using vernier callipers, Taking the reading accuracy into consideration, the most likely one is

A5.15cm

B5.165cm

C5.0cm

D5.160cm

E5cm

View Explanation & Discuss

Question 2267

jamb 1982

A man stands on a spring scale placed in a lift. The lift descends at constant velocity. As a result, the scale reads a weight

Agreater than the weight of the man

Bthe same as the weight of the man

Cof zero

Dless than the weight of the man

Egreater than the weight of the man by 1kg

View Explanation & Discuss

Question 2268

jamb 1982

The hatch door of a submarine has an area of 0.5m². The specific gravity of sea water is 1.03. Assume that g = 10ms^-1,and neglect the atmospheric pressure. The force exerted by the sea water on the hatch door at a depth of 200m is

A1.03 x 10⁵N

B1.03 x 10⁴Nm^-2

C1.06 x 10⁵Nm^-2

D2.06 x 10⁶N

E1.03 x 10³N

View Explanation & Discuss

Question 2269

jamb 1981

in a light experiment with a convex lens a student plotted a graph as shown above of the reciprocal of object distance (1)/u against the reciprocal of image distance (1)/v . the focal length of the lens is given as

Aslope of line PQ

BReciprocal of either OP or OQ

CLength OP or OQ

Darea under the graph E ratio OP/OQ

View Explanation & Discuss

Question 2270

jamb 1981

The wave motion above has a frequency

A0.1Hz

B0.2Hz

C5Hz

D10Hz

E100Hz

View Explanation & Discuss

Question 2271

jamb 1981

The effect of closing the key K in the circuit shown above would be to

Aincrease the current by 0.6A

Breduce the current by 0.6A

Cincrease the current by 0.4A

Dkeep the current unchanged

View Explanation & Discuss

Question 2272

jamb 1981

A body of mass 6kg rests on an inclined plane. The normal reaction is R, and the limiting frictional force is F as shown in the image above. if F = 30N, and g = 10ms\(^{-2}\) then the angle of inclination \( \theta \) is

A15\(^o\)

B30\(^o\)

C45\(^o\)

D60\(^o\)

E75\(^o\)

View Explanation & Discuss

Question 2273

jamb 1981

A solid weighs 4.8g in air, 2.8g in water and 3.2g in kerosine. The ratio of density of the solid to that of the kerosine is

A12

D\(\frac{3}{2}\)

E\(\frac{5}{4}\)

View Explanation & Discuss

Question 2274

jamb 1981

If I is the current passing through a metallic resistor and H is the rate of Heat generated in the resistor at a constant temperature, then

AH \(\alpha\) \(\frac{1}{I}\)

BH \(\alpha\) \(\frac{1}{I^2}\)

CH \(\alpha\) \(\sqrt1\)

DH \(\alpha\) I²

Enone of the above

View Explanation & Discuss

Question 2275

jamb 1981

A closed coil of wire is placed near a magnet. The magnet lies along the axis of the coil. Under which of the following conditions would there be no current in the coil?

AWhen the coil is moved toward the stationary magnet

BWhen the coil is moved away from the stationary magnet

Cwhen the coil is held stationary but the magnet is moved towards the coil

Dwhen both the coil and the magnet are held stationary

Ewhen the coil is held stationary but the magnet is moved away from the cell

View Explanation & Discuss

Question 2276

jamb 1981

A transformer has 300 turns of wire in the primary coil and 30 turns in the secondary coil.If the input voltage is 100 volts, the output voltage is

A5 volts

B10 volts

C15 volts

D20 volts

E25 volts

View Explanation & Discuss

Question 2277

jamb 1981

The relationship between the period T and the length l of a simple pendulum is T = 2\( \pi \) \( ( \frac{I}{g}) ^{ \frac{1}{2} } \). From experiment data of T and I, one can obtain the following graphs, i. T vs.I ii. T vs I2 iii. T2 vs. I iv. T vs \( \sqrt{I} \) v. logT vs logI. Which of the following graphs, are linear?

Aall

Bonly i and ii

Conly iii and iv

Diii, iv and v

Enone of them

View Explanation & Discuss

Question 2278

jamb 1981

Which of the following is NOT directly associated with direct current (DC)?

AA dry cell

Ba moving coil galvanometer

Ca transformer

Da lead- acid accumulator

Ea commutator

View Explanation & Discuss

Question 2279

jamb 1981

The extension in a spring when 5g wt was hung from it was 0.56cm. If Hooke's law is obeyed, What is the extension caused by a load of 20g wt?

A1.12m

B2.14cm

C2.52cm

D2.80cm

E2.24cm

View Explanation & Discuss

Question 2280

jamb 1981

A liquid-in-glass thermometer should quickly register temperature changes. This is achieved by choosing a liquid that

Ais opaque

Bhas high density

Chas regular expansion

Dhas a high thermal conductivity

Ecan wet glass

View Explanation & Discuss

Question Navigator

Current

Physics Past Questions

Take a test

Custom CBT

JAMB CBT Simulator

WAEC CBT Practice 2026 Simulator

NECO CBT Practice 2026 Simulator

Past Questions

Question Navigator

MathsFaculty