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 2171

jamb 1986

Which of the following is a derived unit?

AKilogramme

BMeter

CKelvin

DNewton

View Explanation & Discuss

Question 2172

jamb 1986

A heavy object is suspended from a string and lowered into water so that it is completely submerged. The object appears lighter because

Athe density of water is less than that of the object

Bthe pressure is low just below the water surface

Cit experiences an upthrust

Dthe tension in the string neutralizes part of the weight

View Explanation & Discuss

Question 2173

jamb 1986

Which of the following represents the correct precision if the length of a piece of wire is measured with a meter rule?

A35mm

B35.0mm

C35.00mm

D35.01mm

View Explanation & Discuss

Question 2174

jamb 1985

In the Fig above, MN is a light uniform meter rule pivoted at O, the 80cm mark. A load of mass 3.00kg is suspended on the meter rule at L, the 10cm mark. If the rule is kept in equilibrium by a string RP, fixed at P and attached to the rule at R, the 20cm mark, then the Tension T on the string is?

A3.0N

B3.4N

C3.5N

D6.0N

E7.0N

View Explanation & Discuss

Question 2175

jamb 1985

The graph in the fig above describes the motion of a particle. the acceleration of the particle during the motion is

A0.00ms^-2

B0.25ms^-2

C4.00ms^-2

D8.00ms^-2

E10.00ms^-2

View Explanation & Discuss

Question 2176

jamb 1985

In the Fig above, Current I passes through the combination, if the power dissipated in the 5 ohm resistor is 40W, then the power dissipated in the 10 ohm resistor is

A10W

B20W

C40W

D80W

E100W

View Explanation & Discuss

Question 2177

jamb 1985

Normal atmospheric pressure at sea-level is 10⁵Nm^-2 and the acceleration due to gravity is approximately 10ms^-1. If the atmosphere has a uniform density of 1kgm^-3, its height is

A100m

B1000m

C10 000m

D100 000m

E1000 000m

View Explanation & Discuss

Question 2178

jamb 1985

What is the number of neutrons in the Uranium isotope \(^{238}_{92}X\)?

A92

B146

C238

D330

E119

View Explanation & Discuss

Question 2179

jamb 1985

Which of the following features is NOT a characteristic of natural radioactivity?

ARadioactivity is a nuclear phenomenon

BRadioactivity is exhibited only by elements of mass number greater than 206

CThe radioactivity of an element is affected by electric and magnetic fields in the surroundings

DRadioactive substances emits three types of radiations, a-rays, \(\beta\)-rays and y-rays

EThe radioactive element is transformed into a new element

View Explanation & Discuss

Question 2180

jamb 1985

Which of the following statements about electrolysis is NOT correct?

AThe substances in solution in the electrolyte become ionized

BIons are electrically charged and are attracted towards electrodes when a potential difference is applied

CIons may be discharged at the electrodes, forming bubbles or deposits

DThe mass deposited depends upon the length of time for which current flows

EThe mass of gas set free or metal deposited is proportional to the square of the current

View Explanation & Discuss

Question 2181

jamb 1985

A transformer has a primary coil with 500 turns and a secondary coil with 2500 turns. When the voltage input to the primary coil is 120V, the output is

A6000V

B600V

C240V

D60V

E24V

View Explanation & Discuss

Question 2182

jamb 1985

Which of the following statements is NOT correct?

AA galvanometer can be converted to an ammeter with a different range by connecting a high resistance in series

BAn electric current always produces a magnetic field

CMaxwell's screw rule states that if a corkscrew moves inthe direction of the current, the hand turns in the direction of the lines of force

DElectromagnets are used in electric bells and telephone recievers

EThe lines of force round a straight current carrying conductor are circular

View Explanation & Discuss

Question 2183

jamb 1985

On which of the following does the operation of a moving coil ammeter depend? i. Electromagnetic induction ii. Force on a carrying-current conductor iii. Magnetic effect of an electric current

Ai only

Bii only

Ciii only

Dii and iii only

Ei,ii and iii

View Explanation & Discuss

Question 2184

jamb 1985

An electric kettle, connected to a 240V mains, produces 6.0 x 10⁵J of heat energy to boil a quantity of water in 5 minutes. Find the resistance of the kettle.

A14.4\(\Omega\)

B28.8\(\Omega\)

C144\(\Omega\)

D288\(\Omega\)

E2880\(\Omega\)

View Explanation & Discuss

Question 2185

jamb 1985

A wire P has half the diameter and half the length of a wire Q of similar material. The ratio of the resistance of P to that of Q is

A8 : 1

B4 : 1

C2 : 1

D1 : 1

E1 : 4

View Explanation & Discuss

Question 2186

jamb 1985

Which of the following will convert a milliammeter to a voltmeter?

Alow series resistance

Blow parallel resistance

Chigh series resistance

Dhigh parallel resistance

Eparallel resistance equal to milliammeter resistance

View Explanation & Discuss

Question 2187

jamb 1985

A cell gives a current of 0.15A through a resistance of 8\(\Omega\) and 0.3A. When the resistance is changed to 3\(\Omega\) the internal resistance of the cell is

A0.05\(\Omega\)

B1.00\(\Omega\)

C1.50\(\Omega\)

D2.00\(\Omega\)

E2.50\(\Omega\)

View Explanation & Discuss

Question 2188

jamb 1985

Which of the following methods CANNOT be used to produce a steel magnet? The

Apassing of an electric current through a solenoid

Brepeated stroking of the specimen with a magnet

Crepeated stroking of the specimen in opposite directions with magnets

Dheating of the specimen

Ehammering of the specimen in the earth's magnetic field

View Explanation & Discuss

Question 2189

jamb 1985

If the distance between two stationary charged particle is doubled, the magnitude of the electro-static force between them will be

Adoubled

Bhalved

Ca quarter of its former value

Dunchanged

Efour times the original value

View Explanation & Discuss

Question 2190

jamb 1985

A charge of one coulomb liberates 0.0033g of copper in an electrolytic process. How long will it take a current of 2A to librate 1.98g of copper in such a process?

A5 mins

B30 mins

C50 mins

D60 mins

E120 mins

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