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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
The electric flux is linked with a surface will be maximum when
Choose an answer
The surface is held parallel to the electric field
The surface is held perpendicular to the electric field
The surface makes an angle of 45
° with the electric field
All of the above
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Question # 2
Work has the dimensions as that of
Choose an answer
Torque
Angular momentum
Linear momentum
Power
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Question # 3
In radioactive decay, the new element which is formed due to the disintegration of original element is called
Choose an answer
element
daughter element
parent element
none of these
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Question # 4
Such oscillations in which the amplitude decreases steadily with time, are called
Choose an answer
resonance
force oscillations
large oscillations
damped oscillations
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Question # 5
The waves which propagate by the collision of material particles are known as
Choose an answer
e.m. waves
mechanical waves
light waves
microwaves
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Question # 6
An oscillating body oscillates due to:
Choose an answer
Applied force
Restoring force
Frictional force
None of these
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Question # 7
In LCR circuit which one of the following statement is correct?
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L and R oppose each other
R value increase with frequency
The inductive reactance increases with frequency
The capacitive reactance increases with frequency
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Question # 8
The discuss used by athlete has a mass of 1 kg, its weight in newton is
Choose an answer
9.8 N
80 N
98 N
100 N
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Question # 9
Peak value of alternative current is:
Choose an answer
one of its Instantaneous value
Equal to its RMS value
The same as its peak-to-peak value
Both (B) and (C)
None of these
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Question # 10
The graph showing the variation of displacement with time is a
Choose an answer
Sine curve
Straight line
Parabola
None of these
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Question # 11
Wave disturbances may also come in a concentrated bundle, like shock wave from an aeroplane flying at
Choose an answer
subsonic speed
sonic speed
super sonic speed
any one of them
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Question # 12
Critical angle of light passing from glass to air is minimum for
Choose an answer
Red
Green
Yellow
Violet
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Question # 13
In newton's rings apparatus, we also use:
Choose an answer
Spectroscope
Telescope
Microscope
Any of these
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Question # 14
Which of the following is dimensionally correct
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Pressure = energy per unit area
Pressure = energy per unit volume
Pressure = force per unit volume
Pressure = Momentum per unit volume per unit time
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Question # 15
Experiments revealed that the ratio of the stress to the strain is a constant value for
Choose an answer
different material
all material
a given material
all of them
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Question # 16
The linear acceleration of the particle of mass m describing a horizontal circle of radius r with angular speed
ω is
Choose an answer
rω
ω/r
rω
2
r
2
ω
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Question # 17
Which characteristics of wave, established the Huygen's wave theory in 1801?
Choose an answer
polarization
interference
propagation
all of them
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Question # 18
If C and R denote capacity and resistance,the dimensional formula of CR is
Choose an answer
M°L°T
-1
M°L°T°
M°L°T°
Not expressible in terms of MLT
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Question # 19
A two-slit arrangement is set up to produce an interference pattern on a screen. The fringes are too close together for convenient observation. How could the distance between them be increased?
Choose an answer
by using a light of longer wavelength
by increasing the width of the slits
by decreasing the distance between the screen and slits
the distance between the fringes is impossible
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Question # 20
A 2 kg body and a 2 kg body have equal momentum. if the kinetic energy of 3 kg body is 10 j. The K.E of 2 kg body will be
Choose an answer
6.66 j
15 j
22.5 j
45 j
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Question # 21
If force of friction is negligible, then acceleration of two free falling objects of different masses is
Choose an answer
The same
Different
Smaller mass has smaller acceleration
None of these
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Question # 22
Light is a type of energy which produces sensation of
Choose an answer
Sound
Feeling
Vision
None of these
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