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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
In order to produce pair production, a photon must have a energy
Choose an answer
0.511 Me v
0.256 Me v
1.02 Me v
0.956 Me v
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Question # 2
Light waves are:
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Transverse wave
Longitudinal wave
Compressional wave
None of them
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Question # 3
A piece of wire along which charges are made to accelerate is known as
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transmitting antenna
receiving antenna
modulator
nor of these
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Question # 4
The tidal energy is produced due to rotation of Earth relative to:
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Moon
Sun
Oceans
Water
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Question # 5
Melting point of ice
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Increases with increasing pressure
Decreases with increasing pressure
Is independent of pressure
Is proportional to pressure
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Question # 6
The emission of radiations take place in elements, having charge number greater than
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109
82
69
52
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Question # 7
In rotational motion, analogue of force F us called:
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Couple
Torque
Mass
Moment of intertia
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Question # 8
One radian is equal to:
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30.3
°
45.3
°
50.3
°
57.3
°
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Question # 9
Substances which break just after the elastic limit is reached, are known as
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brittle substances
ductile substances
plastic substances
elastic substances
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Question # 10
We can excite an atom by
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Bombardment of particles
Radiating photons
Providing potential difference
All answer are true
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Question # 11
Faraday's law of electromagnetic induction has been used in the construction of:
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Galvanometer
Voltmeter
Electric motor
Electric genrator
Commutator
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Question # 12
The idea of Michelsion's interferometer is based on the
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reflection of light
interference of light
refraction of light
all of them
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Question # 13
Wb/m
2
is equal to
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Henry
Watt
Tesla
Dynes
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Question # 14
For a point source of light the wave front produced are
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Circular
Spherical
Cylinrical
None
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Question # 15
An image formed by a concave lens is always
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Virtual
Real
Inverted
None of these
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Question # 16
In single slit diffraction the condition for second minimum is
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Sinθ = λ
d Sinθ =2λ
d Sinθ =3λ
d Cosθ =0
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Question # 17
polymeric solids have
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low specific gravity
high specific gravity
either of them
none of them
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Question # 18
If we keep the moment arm, fixed while change the force, then, the torque is
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Changed
Does not change
Some what change
None of these
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Question # 19
Ideal fluid is
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Steady flow
Non-viscous
Incompressible
All of these
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Question # 20
Bernoulli s equation is the fundamental equation in fluid dynamics that relates pressure to
Choose an answer
Height of fluid column
Fluid speed
Both of these
None of these
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Question # 21
When the second condition for equilibrium, is satisfied then there is no
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Linear acceleration
Angular acceleration
Both
None of these
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Question # 22
In which situation does diffraction occur?
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a wave bounces back from a surface
a wave meets another wave to produce a new wave
a wave passes from one medium into another
a wave passes through an aperture
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