Physics Past Questions

Updated description

45 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10
Download PHP app Ask a Question Check Syllabus Past Question Videos Topic Video Lessons

Take a test

Past Questions

45 questions
Question 1 of 20 45 total questions
Question 1
jamb 1988
A particle is injected perpendicularly into an electric field, it travels along a curved path as depicted in the image above,the particle is
Agamma ray
Belectron
Cneutron
Dproton
View Explanation & Discuss
Question 2
jamb 1988

In the circuit diagram above, the ammeter reads a current of 3A when R is 5 ohms and 6A when R is 2ohms, the value of the unknown resistance X is

A1
B2
C3
D4
View Explanation & Discuss
Question 3
jamb 1988
The wire X in the figure above is at right angles to the plane of the paper and carries a current into the paper. at which of the points labelled 1-4, will the magnetic flux density due to this current be in the same direction as that of the horizontal component of earth's magnetic field
A1
B2
C3
D4
View Explanation & Discuss
Question 4
jamb 1988
E,F and G are yellow, red and cyan transparent light filters respectively. The color of a white opaque object when viewed through the arrangement of the filters above is
Ayellow
Bred
Cblack
Dblue
View Explanation & Discuss
Question 5
jamb 1988

In the figure above, what is the angle of reflection of the ray of light at mirror M\(_2\)?

A\( 90^{\circ} \)
B\( 60^{\circ} \)
C\( 45^{\circ} \)
D\( 30^{\circ} \)
View Explanation & Discuss
Question 6
jamb 1988
The fig above shows two waveforms X and Y. If the frequency of X is 30Hz what is the frequency of Y
A12Hz
B19Hz
C60Hz
D75Hz
View Explanation & Discuss
Question 7
jamb 1988
When one arm of a U-tube manometer is connected to a gas supply, the levels of mercury in the two arms of the U-tube is shown in the figure above, if the atmospheric pressure is 76.0cm hg, the gas pressure is
A62.6cm hg
B72.5cm hg
C79.5cm hg
D85.9cm hg
View Explanation & Discuss
Question 8
jamb 1988

the fig above shows three different ways of hanging a heavy picture from a hook. the tension in the string will be?

AGreatest in X
BGreatest in Y
CGreatest in Z
DSame in each one
View Explanation & Discuss
Question 9
jamb 1988

the fig above shows displacement-time graphs for three different motions. which of the following statements is correct?

Agraph 2 corresponds to the highest velocity
Bgraph 1 corresponds to zero velocity
Cgraph 3 corresponds to a particle moving in the negative x direction
Dgraph 2 corresponds to a particle moving in the positive x direction
View Explanation & Discuss
Question 10
jamb 1988
Which of the following symbolic representations is correct for an atom X with 22 electrons and 43 neutrons?
A\(^{43}_{22}X\)
B\(^{22}_{43}X\)
C\(^{65}_{43}X\)
D\(^{65}_{22}X\)
View Explanation & Discuss
Question 11
jamb 1988
In a certain fusion reaction, a deuteron (\(^{2}_{1}H\)) interacts with a triton (\(^{3}_{1}He\)) and produces an a-particle (\(^{4}_{2}He\)) and a second product. The second product is
Aa proton
Ban electron
Ca neutron
Da gamma ray
View Explanation & Discuss
Question 12
jamb 1988
A dynamo primarily combines
Amechanical energy into electrical energy
Belectrical energy into kinetic energy
Cpotential energy into kinetic energy
Dkinetic energy into potential energy
View Explanation & Discuss
Question 13
jamb 1988
The principle of operation of an induction coil is based on
AOhm's law
BAmphere's law
CFaraday's law
DColumbs law
View Explanation & Discuss
Question 14
jamb 1988

Which of the following ammeters may be used to measure alternating currents? i. moving-coil ammeter ii. moving-iron ammeter iii. hot-wire ammeter

Ai and ii only
Bii and iii only
Ci and iii only
Di, ii, and iii
View Explanation & Discuss
Question 15
jamb 1988

A household refrigerator is rated 200 watts. If electricity costs 5k per kWh, what is the cost of operating it in 20 days?

AN4.80
BN48.00
CN480.00
DN4800.00
View Explanation & Discuss
Question 16
jamb 1988
When a resistance R is across a cell, the voltage across the terminals of the cell is reduced to two-third of its normal value. The internal resistance of the cell is
A\(\frac{2}{1}\)R
B\(\frac{1}{2}\)R
C\(\frac{3}{2}\)R
D5R
View Explanation & Discuss
Question 17
jamb 1988
A cell of internal resistance 2 ohms supplies current to a 6 ohms resistor. The efficiency of the cell is
A12.0%
B25.0%
C33.3%
D75.0%
View Explanation & Discuss
Question 18
jamb 1988
A spectrum of sunlight is said to be impure when
Ait is made of only three colours
Bit has no red colour in it
Cthe different colours in it overlap
Dit does not contain white light
View Explanation & Discuss
Question 19
jamb 1988

Which of the following statement is TRUE of ultraviolet, visible and infra-red rays?

Athey are all electromagnetic waves with the same wavelength
Bultra-violet rays have shorter wavelengths than infra-red rays and produce flourescence
Cinfrared rays have shorter wavelength than visible light and produce the sensation of heat
Dthe wavelenghts increase in the sequence: visible, ultra-violet, infra-red
View Explanation & Discuss
Question 20
jamb 1988

When white light is dispersed by a spectrometer, the component having the shortest wavelength is

Aorange
Bgreen
Cviolet
Dred
View Explanation & Discuss
Question Navigator
Current
MathsFaculty