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 51
jamb 2025

The dimensional symbol of tension in a string is expressed as 

AL T\(^{-2}\)
BM\(^2\) L\(^{-1}\) T\(^{-2}\)
CM L T\(^2\)
DM L T\(^{-2}\)
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Question 52
jamb 2025

A 5 \(\mu\) positively charged particle is moving at 45º to the direction of magnetic field with 3 x 10\(^4\)m/s speed. If it experiences a force of 6N, what is the value of the flux density of the field?

A107.23T
B75.76T
C98.44T
D56.57T
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Question 53
jamb 2025

Calculate the depth of a swimming pool if the apparent depth is 10cm(refractive index of water is 1.33)

A7.5cm
B10.0cm
C13.3cm
D6.87cm
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Question 54
jamb 2025

In an A.C circuit, the instantaneous current is 7A. What is the root mean square(r.m.s) value of the current I\(_{r.m.s}\)

A5A
B6A
C3A
D4A
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Question 55
jamb 2025

Which of the following is better for measuring a very small resistance? 

AVoltmeter
BWheatstone bridge
Crheostat
DPotentiometer
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Question 56
jamb 2025

The quantity of heat required to convert 5kg of ice at its melting point to water without a change of temperature is 

AHeat capacity
Bspecific latent heat of fusion
CSpecific heat capacity
DLatent heat of fusion.
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Question 57
jamb 2025

A wire of radius 0.3cm is used to lift a block of 1.5kg. Calculate the stress introduced into the wire [ take g = 10m/s\(^2\)]

A53 x 10\(^{-4}\)Nm\(^{-2}\)
B5.3 x 10\(^{-4}\)Nm\(^{-2}\)
C53 x 10\(^4\)Nm\(^{-2}\)
D5.3 x 10\(^4\)Nm\(^{-2}\)
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Question 58
jamb 2025

Which of the following electromagnetic spectra has the shortest wavelength?

AUltra violet radiation
BX - rays
CVisible light
DInfrared
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Question 59
jamb 2025

Calculate the heat capacity of a material that absorbs 48KJ of heat at a differential temperature of 53ºC

A760.8JK\(^{-1}\)
B2500JK\(^{-1}\)
C905.7JK\(^{-1}\)
D260.5JK\(^{-1}\)
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Question 60
jamb 2025

Copper of 0.2g and silver of 1.2g are deposited when current is passed through copper and silver voltameter. Calculate the electrochemical equivalent, Z of silver if that of copper is 0.00028gC\(^{-1}\)

A1.68 x 10\(^{-3}\)gC\(^{-1}\)
B2.34 x 10\(^{-3}\)gC\(^{-1}\)
C2.80 x 10\(^{-3}\)gC\(^{-1}\)
D3.34 x 10\(^{-3}\)gC\(^{-1}\)
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Question 61
jamb 2025

If the specific gravity of a liquid is 0.76, calculate its density((\(\rho_w\) = 1000Kgm\(^{-3}\))

A760Kgm\(^{-3}\)
B76Kgm\(^{-3}\)
C7.6Kgm\(^{-3}\)
D7600Kgm\(^{-3}\)
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Question 62
jamb 2025

The point where no magnetic effect is felt around a magnet is 

Anear point
Bfar point
CInfinite point
DNeutral point
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Question 63
jamb 2025

The tangential force acting on an object that opposes it from sliding freely on the adjacent surface is called 

AWeight
BUpthrust
CFrictional force
DNormal force
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Question 64
jamb 2025

What is the pressure exerted by 4.5m\(^3\) of gas at 17ºC in a cylinder if the number of moles is 8.3 moles? (R = 8.31 JK\(^{-1}\)mol\(^{-1}\))

A3170Pa
B6740Pa
C2850Pa
D4445Pa
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Question 65
jamb 2025

The thermal capacity of a body depends on one of the following 

AQuantity of heat
BTemperature and mass
CNature and mass
DMass, volume, and temperature
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Question 66
jamb 2025

What mass of silver is deposited during electrolysis when a current of 0.8 A flows for 25 minutes?

A0.22 g
B1.86 g
C0.14 g
D1.34g
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Question 67
jamb 2025

The movement of particles in liquids and gases is referred to as

ATranslational motion
BIsobaric process
CBrownian motion
DVibrational motion
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Question 68
jamb 2025

A well-lagged thin metal rod of length 0.2 m has a temperature gradient of 416 K m\(^{-1}\). If one end is at 233º C, what is the temperature at the other end?

A141.20°C
B257.48°C
C408.60°C
D316.28°C
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Question 69
jamb 2025

If an object sinks in water, it means that

AIts density is greater than that of water
Bupthrust equals its weight
Cits density is less than that of water
Dwater pressure is greater than its weight
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Question 70
jamb 2025

Lining the walls of an auditorium with perforated materials reduces

Areverberation
Bdiffraction
Crefraction
Dauditorium pulse
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