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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
Strictly speaking, the earth is:
Choose an answer
An accelerated frame of reference
A non-inertial frame of reference
An inertial frame of reference
A non-accelerated frame of reference
Both (A) and (B)
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Question # 2
If the velocity time graph is a straight line parallel to time-axis, then it means that:
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The body is moving with uniform velocity
The body is moving with uniform acceleration
The body is at rest
None of above
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Question # 3
When a body is vibrating, the displacement from mean position
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Increases with time
Decreases with time
Changes with time
None of these
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Question # 4
Bernoulli's equation is based upon law of conversation of
Choose an answer
mass
momentum
Energy
None
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Question # 5
The electric intensity at infinite distance from the point charge will be
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Infinite
Positive
Zero
Negative
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Question # 6
Moment of linear momentum is called.
Choose an answer
Moment arm
Moment of inertia
Inertia
Angular momentum
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Question # 7
The fluid which is incompressible and non viscous is called
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Ideal fluid
Non-ideal fluid
Prefect fluid
All
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Question # 8
The field in which work done is moving body between two points depends upon the path followed is called:
Choose an answer
Conservative filed
Non-conservative field
Electric field
None of these
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Question # 9
Lens's law deals with the
Choose an answer
Magnitude of induced current
Magnitude of induced e.m.f
Direction of induced e.m.f
Direction of induced current
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Question # 10
The most suitable material for permanent magnet is
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cobalt
iron
steel
alaminium
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Question # 11
A body with frequency would complete one vibration in:
Choose an answer
f seconds
1/f seconds
1 second
f
2
second
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Question # 12
The dimensions of ½at
2
are of
Choose an answer
length
Velocity
Acceleration
TIme
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Question # 13
Diffraction of X-ray by crystals show that
Choose an answer
The intensity of X-rays
X-rays have very short wavelength
X-rays are electromagnetic waves
A-rays are just like visible light
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Question # 14
In case of diffraction grating, unit of grating element is:
Choose an answer
Centimeter
Kilometer
As that of g
as that of angle
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Question # 15
The critical temperature of tin is
Choose an answer
1.18 K
4.2 K
3.72 K
7.2 K
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Question # 16
The power output of a full wave rectifier is:
Choose an answer
Equal to H.W.R
Twice of H.W.R
Half of H.W.R
Four times of H.W.R
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Question # 17
The vertical component of velocity of a projectile during its motion is minimum
Choose an answer
at the time of projection
at the highest point
just before hitting the plane of projection
all of them
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Question # 18
SI unit of angular moment is
Choose an answer
Kgms
-1
Kgm
2
s
-2
Kgm
2
s
-1
Kgm
3
s
-1
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Question # 19
The average velocity of Jupiter in Kms
-1
Choose an answer
25
50
58.4
61.0
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Question # 20
Bernoulli s equation relates pressure to fluid
Choose an answer
Speed and density
Speed and viscosity
Speed and height
Height and viscosity
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Question # 21
The ratio of volumetric stress to volumetric strain is called
Choose an answer
Young's modules
Bulk modulus
Shear modulus
Hooke's law
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Question # 22
The speed of light in vacuum or in air is
Choose an answer
3 x 10
10
m ! s
3 x 10
9
m ! s
3 x 10
8
m ! s
3 x 10
7
m ! s
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