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Physics Past Questions

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2,483 questions JAMB 2483 WAEC 1904 NECO 322 CUSTOM 10
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Past Questions

2,483 questions
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Question 1 of 20 2,483 total questions
Question 351
jamb 2016
Semiconductor is a class of solid whose conductivity increases with an increase in
APressure
BTemperature
CCurrent
DVoltage
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Question 352
jamb 2016
A boy in a barber's shop sits between two parallel mirrors. The number of images observed by him will be
AInfinite
BTen
CEight
DForty
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Question 353
jamb 2016

The heat required to raise a mass of a substance through 1K is known as

ASpecific heat capacity
BSpecific latent heat of vaporization
CCapacity latent heat of fusion
DHeat capacity
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Question 354
jamb 2016

The rate of cooling of a heated quantity of liquid in an enclosure depends on the

APressure of the liquid
BTemperature in the enclosure
CPressure of the enclosure
DVolume of the liquid
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Question 355
jamb 2016

When an athlete perspires after running, he loses heat through

AEvaporation
BConduction
CRadiation
DConvection
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Question 356
jamb 2016

A wire of length 10m is cooled from 50oC to 10oC. Calculate the decrease in the length of the wire. [c = 3 x 10-5K-1]

A1.8 x 10-4m
B1.5 x 10-4m
C1.2 x 10-2m
D1.8 x 10-3m
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Question 357
jamb 2016
What is the angular magnification of a telescope having objective and eyepiece lenses of a focal lengths 30cm and 3cm respectively?
A60
B10
C30
D90
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Question 358
jamb 2016
The instrument used to view stars is the
APrism binoculars
BTelescope
CFilm projector
DMicroscope
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Question 359
jamb 2016
Which of the following statements is correct about a machine?
AEfficiency of a machine is always greater than I
BEfficiency decreases with an increase in friction
CVelocity ratio depends on friction
DMechanical advantage increases with an increase in friction
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Question 360
jamb 2016

An object is placed 15cm in front of a plane mirror. If the mirror is moved further 5cm away from the object and the image is

A80cm
B40cm
C50cm
D70cm
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Question 361
jamb 2016
If the distance between the object and the pinhole of a pinhole camera is reduced by half the size of the image of the object
AIs quadrupled
BIs halved
CRemains the same
DIs double
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Question 362
jamb 2016
I.Chemical II.Sound III.Electricity

Which of the above forms of energy can directly be converted to light energy?
AI and II only
BII and III only
CI, II and III
DI and III only
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Question 363
jamb 2016
A satellite moves in a circular orbit of radius 4R round the earth. The acceleration of the satellite in terms of g is
A\(\frac{g}{16}\)
B\(\frac{g}{4}\)
C\(\frac{4}{g}\)
D\(\frac{16}{g}\)
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Question 364
jamb 2016
What happens to a water pool on a day when the humidity of the air is very low?
ATemperature decreases
BSlow evaporation
CTemperature increases
DRapid evaporation
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Question 365
jamb 2016
A charged particle is moving in a uniform magnetic field. if the direction of motion of the charged particle is parallel to the magnetic field, the path of the charge will
ABe a straight line
BCurve inwards
CBe a parabola
DCurve outwards
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Question 366
jamb 2016

Myopic defects in the human eye can be corrected through the use of a

AConcave Mirror
BConcave lens
CPrism
DConvex lens
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Question 367
jamb 2015
An alternating current with a frequency of 100HZ has a period of
A0.03sec
B0.01sec
C0.04sec
D0.15sec
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Question 368
jamb 2015
Momentum and Kinetic energy are conserved in
AInelastic collision
BElastic collision
CExplosion
DSpacecraft
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Question 369
jamb 2015
The property of a body to remain at rest or to continue to move in a straight line is known as
Aforce
BImpulse
CEnergy
DInertia
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Question 370
jamb 2015
The normal temperature of human body is record at what ranges?
A27°C to 43°C
B30°C to 40°
C98.4°C only
DBetween 35°C to 37°C
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