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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
The galvanometer can be made sensitive if the value of the factor C/BAN is
Choose an answer
constant
small
large
none of these
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Question # 2
In RLC series circuit, resonance occurs when
Choose an answer
X
L > Xc
X
L < Xc
X
L = Xc
None of these
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Question # 3
The substance in which atoms cooperate with each other in such a way so as to exhibit a strong magnetic effect, are called
Choose an answer
diamagnetic substances
ferromagnetic substances
paramagnetic substances
all of them
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Question # 4
Data transmitted along glass-fiber cables is in the form of pulses of monochromatic red light each of duration 2.5 ns. Which of the following is the best estimate of the number of wavelength in each pulse?
Choose an answer
10
3
10
6
10
9
10
12
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Question # 5
The time of flight of a projectile motion equal to
Choose an answer
half of the time to reach maximum height
twice the time to reach maximum height
one fourth of time to reach maximum height
time to reach maximum height
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Question # 6
A particle of mass 5.0 mg moves with a speed of 8.0 m/s. Its de-Brogile wavelength is
Choose an answer
1.66 m
1.66 x 10
-10
m
1.66 x 10
-29
cm
1.66 x 10
-29
m
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Question # 7
The force experienced by charged particle is maximum, if it moves
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parallel to magnetic field
perpendicular to magnetic field
opposite to the magnetic field
none of these
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Question # 8
When a water droplet falling freely through air, the drag force on water droplet increases with th
Choose an answer
decrease in speed
increase in speed
pressure
none of them
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Question # 9
The horizontal component of a projectile moving with initial velocity of 500 ms
-1
at an angle 60
° to x-axis is
Choose an answer
500 ms
-1
1000 ms
-1
250 ms
-1
Zero
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Question # 10
CRO deflects the beam of
Choose an answer
proton
a-particle
electron
neutron
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Question # 11
Improper biasing of a transistor circuit produces
Choose an answer
Heavy loading of emitter current
Distortion in the output signal
Excessive heat at collector terminal
Faulty location of load line
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Question # 12
Which electromagnetic wave would cause the most significant diffraction effect for an atomic lattice of spacing around 10
-10
m?
Choose an answer
microwave
infrared
ultraviolet
X-ray
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Question # 13
Prefix pico stands for
Choose an answer
10
-9
10
-6
10
-15
10
-12
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Question # 14
Blood is an incompressible fluid having density nearly equal to
Choose an answer
Milk
Honey
Water
None of these
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Question # 15
The compound having highest %age of oxygen is:
Choose an answer
CH
3
COOH
C
2
H
5
OH
H
2
O
CH3COCH
3
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Question # 16
The unit of torr or mm of Hg is opted instead of SI unit of pressure because
Choose an answer
Measurement is easy
Swift calculations
Extensive use in medical equipments
None of these
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Question # 17
The feature/features of powered ballistic missiles are
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Long ranges
Greater precision
Remote controlled
All of these
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Question # 18
The energy stored in a dam is
Choose an answer
Kinetic energy
Electrical energy
Potential energy
None of these
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Question # 19
One poise = ___________.
Choose an answer
0.1 Nsm
-2
0.1 Pascal second
1.01 x 10
5
N
both A and B
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Question # 20
The cause of mirage observed in deserts in bright sunlight is due to:
Choose an answer
Refraction of light
Reflection of light
Scattering of light
Total internal reflection of light
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Question # 21
An ordinary glass gradually softens into a paste-like state before it becomes a very viscous liquid. It happens almost at:
Choose an answer
800
°C
500
°C
300
°C
100
°C
None of these
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Question # 22
In a closed organ pipe, the fundamental frequency is f. What will be the ratio of thefrequencies of the next three overtones?
Choose an answer
2 : 3 : 4
3 : 7 : 11
3 : 4 : 5
3 : 5 : 7
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