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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
Coulomb's force between two point charges depends upon
Choose an answer
Magnitude of charges
Distance between them
Medium in which they are located
All of the above
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Question # 2
In an ideal gas, the molecules have:
Choose an answer
Kinetic energy only
Potential energy only
Both KE and PE
None of these
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Question # 3
The velocity of falling raindrops attains limited value because of
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Up thrust of air
Air currents of the earth atmosphere
Surface tension effect
Viscous force exerted by air
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Question # 4
The work done on the system by the environment is considered as
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positive
negative
zero
any one of them
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Question # 5
Two vectors having different magnitudes:
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Have their directions opposite
May have their resultant zero
Cannot have their resultant zero
None of these
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Question # 6
The pressure exerted by the gas is
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directly proportional to the P.E
inversely proportional to the P.E
inversely proportional to the K.E
directly proportional to the K.E
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Question # 7
Eddy current is produced when:
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A metal is kept in varying magnetic field
A metal is kept in steady magnetic field
A circular coil is placed in a steady magnetic field
A current is passed through a circular coil
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Question # 8
The ratio of the size of the image to that of object is called:
Choose an answer
Focal length
Aperture
Linear magnification
Principal axis
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Question # 9
With the increase of temperature viscosity
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Increase
Decrease
Remains same
Doubles
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Question # 10
Ultra-violet rays differ from X-rays in that they
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Cannot be diffracted
Cannot be polarized
Have a lower frequency
Are deviated when they pass through a magnetic field
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Question # 11
The equation of continuity
A
1
V
1
= A
2
V
2
is for the flow of
Choose an answer
an ideal fluid
an incompressible fluid
a non visconcous fluid
all of the above
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Question # 12
The mass of the object is a quantitative measure of
Choose an answer
Motion
Momentum
Inertia
None of these
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Question # 13
Laws of motion are valid in a frame which is
Choose an answer
Uniform motion
Inertial
Both a and b
None of these
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Question # 14
A thief stole a box with valuable article of weight W and jumped down a wall of height h.Before he reached ground he experienced a load of
Choose an answer
2W
W
W/2
Zero
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Question # 15
The oil drop gets charged when it
Choose an answer
Pass through the medium
Pass through the atomizer
Light falls on it
All of them
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Question # 16
Stokes law is strictly obey by
Choose an answer
Ideal fluid
Real fluid
Both A and B
None of these
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Question # 17
Scientific notation which can be expressed in the
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Negative powers
Powers of ten
Decimals
None of these
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Question # 18
The efficiency of the diesel engine is
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25% to 35%
25% to 40%
35% to 40%
30% to 40%
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Question # 19
The light source in the transmitter can be either
Choose an answer
Light emitting diode
Semiconductor laser
Light emitting in an invisible infra red
All of these
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Question # 20
When two axis are drawn at right to each other are called
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Coordinate axes system
Cartesian system
Rectangular coordinate system
All of these
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Question # 21
The cross product of parallel vectors is zero when angle between
Choose an answer
θ 0
o
θ = 90
o
θ = 180
o
a and c
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Question # 22
The decrease in velocity per unit time is called
Choose an answer
deceleration
acceleration
uniform acceleration
variable acceleration
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