Physics Past Questions

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

4,719 questions
Question 1 of 20 4,719 total questions
Question 41
jamb 2025

A bore made in an aluminium block at 34ºC is 3.48cm\(^3\). What is the new bore when the temperature was raised to 340ºC [α\(_a\) = 24 x 10\(^{-6}\)K\(^{-1}\)]

A4.14cm\(^3\)
B3.83cm\(^3\)
C3.56cm\(^3\)
D3.24cm\(^3\)
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Question 42
jamb 2025

A body is moving initially at 4m/s. If it's impulse after accelerating at 5m/s\(^2\) for 2s is 60Kgms\(^{-1}\). What is its mass?

A3Kg
B4Kg
C6Kg
D5Kg
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Question 43
jamb 2025

A collection of condensed suspended dust particles in the air constitute 

ACloud
Bfog
CMist
DRain
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Question 44
jamb 2025

Using the oscillating simple pendulum above, the maximum kinetic energy is obtained at 

AQ
BS
CR
DP
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Question 45
jamb 2025

At what distance from a 1.2  x 10\(^{-7}\)C point charge will the electric field intensity be equal to 4.8  x 10\(^{-4}\)NC\(^{-1}\) [ Take \(\frac{1}{4\pi ε_0}\) = 9.0 x 10\(^9\)]

A1.5Km
B3.0Km
C2.0Km
D4.5Km
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Question 46
jamb 2025

What is the mass of a particle with speed 2.7 x 10\(^8\)m/s and wavelength 4.0 x 10\(^{-7}\)mm? (h = 6.63 x 10\(^{-34}\)Js)

A2.6 x 10\(^{-27}\)Kg
B6.1 x 10\(^{-31}\)Kg
C3 x 10\(^{-22}\)Kg
D7 x 10\(^{-20}\)Kg
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Question 47
jamb 2025

A 25cm long pinhole camera produces a one-fifth of an object's size. Calculate the object distance 

A20.49m
B2.82m
C4.23m
D1.25m
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Question 48
jamb 2025

Which of the following thermometer types best responds to a change in temperature

AMercury thermometer
BResistance thermometer
CGas thermometer
DAlcohol thermometer
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Question 49
jamb 2025

The speed of sound in air is 60 m/s. How far from the centre of a storm is an observer who hears a thunder clap 4s after the flash of the lightning?

A140m
B100m
C340m
D240m
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Question 50
jamb 2025

Calculate the specific heat capacity of a metal rod of mass 0.025kg whose temperature was raised by 15ºC when 1000J of heat energy was added to the rod(assuming the heat loss to the surrounding is negligible)

A2440.5JKg\(^{-1}\)K\(^{-1}\)
B3000.0JKg\(^{-1}\)K\(^{-1}\)
C2888.4JKg\(^{-1}\)K\(^{-1}\)
D2666.7JKg\(^{-1}\)K\(^{-1}\)
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Question 51
jamb 2025

A circular parallel plate capacitor with radius 6cm is separated by 0.12cm. Calculate the capacitance of the capacitor [\(\pi\) = 3.142, ε\(_0\) = 8.85 x 10\(^{-12}\)Nm\(^2\)C\(^2\)]

A4.3 x 10\(^{-11}\)F
B5.1 x 10\(^{11}\)F
C8.3 x 10\(^{-11}\)F
D9.6 x 10\(^{-11}\)F
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Question 52
jamb 2025

The resultant of the force shown above is 

A18.00N
B5.00N
C10.20N
D3.15N
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Question 53
jamb 2025

A concave mirror of focal length 20cm produces an erect image that is four times the object, the object distance from the mirror is

Aless than 20cm
BBetween 20cm and30cm
CBetween 30cm and 40cm
DGreater than 40cm
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Question 54
jamb 2025

The operation of a photovoltaic cell is possible by the action of 

ASemi-conductor
BConductors
CChemical
DInsulators
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Question 55
jamb 2025

What happens to the speed of sound in air when the pressure increases at a constant temperature

AUnchanged
BIncrease
CReduce
DVaries
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Question 56
jamb 2025

From the diagram above, the sine of the angle of refraction in glass is 

A0.4
B0.3
C0.2
D0.1
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Question 57
jamb 2025

From the above figure, a uniform meter rule is suspended by two cords from a height. Calculate T?

A11.25N
B14.8N
C19.24N
D16.77N
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Question 58
jamb 2025

Standing waves are produced by 

AWaves that vibrate in a vertical plane(standing upright)
BThe motion of the source toward the observer
CThe motion of the source away from the observer
Dwaves that reflect off a boundary and interfere with themselves
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Question 59
jamb 2025

What pressure would a 5000N weight of water exert at the bottom of a reservoir containing it if its length and breadth are 10m and 5m, respectively

A200Pa
B182Pa
C100Pa
D120Pa
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Question 60
jamb 2025

From the above circuit, calculate the impedance ((\(\pi\) = \(\frac{22}{7}\), f = 50Hz)

A86.7\(\Omega\)
B163.5\(\Omega\)
C204.8\(\Omega\)
D16.3\(\Omega\)
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