Classroom

Physics Past Questions

Updated description

48 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

48 questions

Question 1 of 20 48 total questions

Question 1

jamb 1987

In the fig above, M and N are insulated metal spheres in contact. A negatively charged ebonite rod P is I brought near M. When M and N are Separated and the rod is taken away, which of the following statements is correct

Aboth M and N have acquired negative charges

Bboth M and N have acquired positive charges

CM has acquired negative charge and N positive charge

DN has acquired negative charge and M positive charge

View Explanation & Discuss

Question 2

jamb 1987

In the above, a voltage V is applied across the terminals P and Q. The voltage across the 1 ohm resistor is

AV/8

BV/4

CV/3

DV/2

View Explanation & Discuss

Question 3

jamb 1987

fig above represents the main sequence of energy conversion at kainji dam. what is the efficiency of the system?

A\(\frac{Q_1}{Q_2}\)

B\(\frac{E}{Q_1}\)

C\(\frac{E}{Q_1 - Q_2}\)

D\(\frac{E}{Q_1 + Q_2}\)

View Explanation & Discuss

Question 4

jamb 1987

A 50kg block is dropped from a point 10m above, as shown in the figure above. if the force constant of the spring is 4.0 x 10\(^4\)Nm-1, find the maximum compression of the spring. [g = 10ms\(^{-2}\)]

A1.25m

B0.50m

C0.25m

D0.05m

View Explanation & Discuss

Question 5

jamb 1987

the fig above shows two connected bodies of masses M\(_1\) and M\(_2\) in equilibrium under gravity. The tension in the upper string is

A(m\(_1\)-m\(_2\))g

Bm\(_1\)g

Cm\(_2\)g

D(m\(_1\)+m\(_2\))g

View Explanation & Discuss

Question 6

jamb 1987

The velocity time graph above describes the motion of a particle between two points P and Q. What is the distance between P and Q?

A17.0m

B18.0m

C22.5m

D30.0m

View Explanation & Discuss

Question 7

jamb 1987

A radioactive sample initially contains N atoms. After three half-lives the number of atoms that have disintegrated is

A\(\frac{N}{8}\)

B\(\frac{3N}{8}\)

C\(\frac{5N}{8}\)

D\(\frac{7N}{8}\)

View Explanation & Discuss

Question 8

jamb 1987

Isotopes are nuclei which have

Athe same number of nuetrons and electrons

Bequal number of electrons and protons

Cthe same atomic number but different number of neutrons

Dthe same number of total particles

View Explanation & Discuss

Question 9

jamb 1987

Which of the following statements is TRUE of photoelectric effect?

Ait cannot occur in liquids

Bthe energy of the emitted electrons is independent of the work function of the surface

Cthe energy of the emitted electron depends on the wavelength of the incident light

Dthe greater the intensity of the incuident light, the greater the incident of the emitted electron

View Explanation & Discuss

Question 10

jamb 1987

What type of reaction is represented by the following scheme? \( ^2 _1X \) + \( ^{2} _{1}Y \) + \( ^{3} _{2}Z \) + \( ^{1} _{0}n \) + energy

AFusion reaction

BFission reaction

CChain reaction

DRadioactive decay

View Explanation & Discuss

Question 11

jamb 1987

A galvanometer of resistance 20\(\Omega\) is to be provided with a shunt that \(\frac{1}{10}\) of the whole current in a circuit passes through the galvanometer. The resistance of the shunt is

A2.00\(\Omega\)

B2.22\(\Omega\)

C18.00\(\Omega\)

D18.22\(\Omega\)

View Explanation & Discuss

Question 12

jamb 1987

When two parallel wires carry currents in opposite directions, the force on either wire is

Aaway from the other wire

Bzero, because the currents cancel each other

Ctwice as much as when the currents are in the same direction

Dtowards the other wire

View Explanation & Discuss

Question 13

jamb 1987

The direction of the magnetic field at a point in the vicinity of a bar magnet is

Aalways towards the north pole of the magnet

Balways away from the south pole of the magnet

Calong the line joining the point to the neutral point

Din the direction the north pole of a compass needle would point

View Explanation & Discuss

Question 14

jamb 1987

A current of 0.5A flows through a resistor when connected to a 40-V battery. How much energy is dissipated in 2 minutes?

A1200J

B1500J

C2400J

D96000J

View Explanation & Discuss

Question 15

jamb 1987

When a transformer has more secondary windings than primary windings, it?

Ahas a smaller secondary current

Bhas a greater power output

Cis a step-down transformer

Dincreases the total energy output

View Explanation & Discuss

Question 16

jamb 1987

Two capacitance of 6\(\mu\)F and 8\(\mu\)F are connected in series. What additional capacitance must be connected in series with this combination to give a total of 3\(\mu\)F

A3\(\mu\)F

B16\(\mu\)F

C24\(\mu\)F

D30\(\mu\)F

View Explanation & Discuss

Question 17

jamb 1987

If the angle of declination in a place is 10oE, calculate the true geographic bearing if the compass reads N40oE

AN50^oE

BN40^oE

CN30^oE

DN25^oE

View Explanation & Discuss

Question 18

jamb 1987

Four lenses are being considered for use as a microscope objective. Which of the following focal lengths is most suitable?

A-5mm

B+5mm

C-5cm

D+5cm

View Explanation & Discuss

Question 19

jamb 1987

A ray of light is incident at an angle of 30o on one top surface of a parallel-sided glass block of refractive index 1.5. The ray finally emerges from the lower surface. What is the angular deviation of the emergent ray?

A60^o

B39^o

C28^o

D0^o

View Explanation & Discuss

Question 20

jamb 1987

A pool of water appears to be 1.0m deep when viewed vertically from above. If the refractive index of water is 1.33, what is the actual depth of the pool?

A0.750m

B1.013m

C1.330m

D13.3000m

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