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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
The tidal energy is due to gravitational pull of :
Choose an answer
sun
moon
Mars
None of these
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Question # 2
A charge of 0.1 c accelerated through a potential difference of 1000V acquires kinetic energy
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200 J
100 J
1000 J
400 J
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Question # 3
To sources are said to be coherent if they have:
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Same amplitude
Same wavelength
Definite phase relation with each other
None of them
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Question # 4
The peak value of alternating voltage is given by
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Question # 5
Coulomb multiplied by volt by volt gives the unit called:
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farad
Ohm
Second
joule
Watt
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Question # 6
From the theory of relativity, momentum p of the photon is related to energy as
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p = hfc
p = hf/c
p = f(hc,f)
p = cf/h
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Question # 7
The wave form of SHM is
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Pulsed wave
Square wave
Triangular waved
Sine wave
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Question # 8
A potential barrier of 0.7V exists across p-n junction made from:
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Germanium
Silicon
Arsenic
Gallium
Indium
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Question # 9
The passage of current is accompanied by a magnetic field in the surrounding space:
Choose an answer
Always accompanied
Sometimes accompanied
Never accompanied
Any of above
None of these
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Question # 10
Particles have the mass smallest of following is:
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Electron
Proton
Neutron
Quark
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Question # 11
The resistance offered by a fluid to a solid moving inside it is called:
Choose an answer
Drag force
Surface force
Viscosity
None of these
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Question # 12
When the velocity of a liquid flowing steadily in a tube increases,its pressure?
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Decreases
Increases
Remains same
Zero
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Question # 13
The modulus of elasticity of a liquid is:
Choose an answer
Zero
1
Infinity
A value not one of those mentioned above
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Question # 14
The resolving power of human eye is
Choose an answer
1
°
2
°
3
°
6
°
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Question # 15
To cover the whole of the populated Earth surface, there required the correctly positioned satellite at the longitude of
Choose an answer
60
o
120
o
180
o
45
o
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Question # 16
In deformation of the material, the potential energy of the molecules due to displacement from their mean positions is
Choose an answer
Lost
Gained
No lost no gain
None of these
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Question # 17
A body is subjected to a force such that its velocity is doubled then
Choose an answer
Its acceleration is also doubled
Its momentum is also doubled
Its potential energy is also doubled
Its kinetic energy is also doubled
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Question # 18
A 500 kg car takes a round turn of radius 0 m with a velocity of 36 km/h.The centripetal force is
Choose an answer
250 N
750 N
1000 N
1200 n
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Question # 19
If the vector sum of all the external forces acting on a body is zero, then the body will be in
Choose an answer
rotational equilibrium
translational
complete equilibrium
all of them
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Question # 20
A convex lens is dipped in a liquid whose refractive index is equal to the material of the lens. Then its focal length will become
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Infinite
Zero
Extremely small
Extremely large
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Question # 21
A car travels first half distance between two places with a speed of 30 km/h and remaining half with a speed of 50 km/h.The average speed of the car is
Choose an answer
37.5 km/h
10 km/h
42 km/h
40 km/h
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Question # 22
The expression of scientific notation is
Choose an answer
One non-zero digit left of decimal
One zero digit left of decimal
Two zeros and one non-zero digits left of the decimal
None of these
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