Classroom

Physics Past Questions

Updated description

2,483 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

2,483 questions

Question 1 of 20 2,483 total questions

Question 641

jamb 2004

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

A144J

B162J

C81J

D72J

View Explanation & Discuss

Question 642

jamb 2004

If the angle between two vectors P and Q is Oº, the vectors are said to

Aintersect at the angle 45^o

Bintersect at the angle 60^o

Cbe parallel

Dbe perpendicular

View Explanation & Discuss

Question 643

jamb 2004

In the diagram above, the ratio of he electric power dissipated in the 6Ω and the 3Ω resistor respectively is

A2:1

B2:2

C1:3

D1:2

View Explanation & Discuss

Question 644

jamb 2004

To protect a material from the influnce of an external magnetic field, the materials should be kept

Asquare steel ring

Btriangular zinc ring

Csoft iron ring

Dloop of copper wire

View Explanation & Discuss

Question 645

jamb 2004

The difference between X-rays and gamma rays is that

Ax-rays are more penetrating than gamma rays

Bx-rays are electromagnetic radiations while gamma rays are negatively charged radiation

Cx-rays have higher frequencies than gamma rays

Dx-rays arise from energy changes in the electronic structure of atoms while gamma rays come from the nucleus

View Explanation & Discuss

Question 646

jamb 2004

Given three capacitors 0.3μF, 0.5μF and 0.2μF, the joint capacitance when arranged to give minimum capacitance is

A0.1μF

B0.3μF

C1.0μF

D0.5μF

View Explanation & Discuss

Question 647

jamb 2004

Electrical appliances at home are normally earthed so that?

Athe appliances are maintained at a lower p.d than the earth

Bboth the a.c and d.c sources can be used

Ca person touching the appliances is safe from electric shock

Dthe appliances are maintained at a higher p.d than the earth

View Explanation & Discuss

Question 648

jamb 2004

If 16mA of current flows through a conductor in one second, the number of electron transported per seconds is
[1 electronic charge = 1.6 x 10^-19C]

A1.00 x 10²⁰

B2.56 x 10^-18

C2.56 x ^-17

D1.00 x 10¹⁷

View Explanation & Discuss

Question 649

jamb 2004

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

Aelectrophorus

Bcapacitor

Cproof-plane

Delectroscope

View Explanation & Discuss

Question 650

jamb 2004

A steady current of 2A flows in a coil of emf 12V for 0.4s. A back emf of 3V was induced during this period. The stored energy in the loop that can be utilized is

A9.6J

B2.4J

C12.0J

D7.2J

View Explanation & Discuss

Question 651

jamb 2004

Which of the following is an electrolyte?

AParaffin

BSugar solution

CGrape fruit

DAlcohol

View Explanation & Discuss

Question 652

jamb 2004

The energy stored in an inductor of inductance 5mH when a current of 6A flows through it is

A9.0 x 10^-3J

B9.0 x 10^-2J

C1.4 x 10^-2J

D1.8 x 10^-3J

View Explanation & Discuss

Question 653

jamb 2004

Flourescent tubes produces light by the

Aexcitation of gas molecules

Bconduction of solar energy

Crefraction of light by gas molecules

Dthermal agitation of electron in the tubes

View Explanation & Discuss

Question 654

jamb 2004

The binding energy of helium \(^4 _2\) He is [atomic mass of proton = 1.00783U, atomic mass of neutron = 1.00867U]

A4.033U

B2.017U

C0.033U

D0.330U

View Explanation & Discuss

Question 655

jamb 2004

In a tuned radio receiver R, L, C series circuit for resonance, the inductive and capacitive reactance X_L and X_C respectively are related as

AX_L = X_C

BX_L = ¹/₂X_C

CX_L = ¹/_{X_C}

DX_L = 2X_C

View Explanation & Discuss

Question 656

jamb 2004

In a reverse biased junction diode, current flows in by

Apositive holes alone

Bmajority carriers

Celectron alone

Dminority carriers

View Explanation & Discuss

Question 657

jamb 2004

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

Aλ = ^hc/_E

Bλ = ^h/_P

Cλ = ^c/_f

Dλ = 2 d sin θ

View Explanation & Discuss

Question 658

jamb 2004

A moving coil galvanometer has a full-scale deflection of 3A equivalent to 30o deflection. The sensitivity of the instrument is

A33.0

B0.1

C90.0

D10.0

View Explanation & Discuss

Question 659

jamb 2004

X rays can be used in the study of crystal structure because they

Ahave a very long-reaching wavelength

Bhave extremely short wavelength

Care invisible

Dare very fast

View Explanation & Discuss

Question 660

jamb 2004

For semi conductor to have negative temperature coefficient of resistance implies that

Atheir resistance decrease with temperature

BThe resistance increase with temperature

Ctheir resistance is constantly changing with temperature

Dthey have electrons and holes at high temperature

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