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Physics General Science Test Medium Mode MCQs With Answers
Question # 1
10
6
electrons are moving through a wire per second, the current developed is
Choose an answer
1.6 x 10
-19
1 A
1.6 x 10
-15
A
10
6
A
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Question # 2
The special theory of relativity treats problems invoving
Choose an answer
inertial frame of references
accelerating frame of references
both of these
none of these
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Question # 3
An A.C. voltmeter read 250 volts. The frequency of alternating is 50 Hz, the peak value of voltage is
Choose an answer
3525.0 volts
35.35 volts
353.5 volts
3.535 volts
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Question # 4
Electric lines of force
Choose an answer
Intersect each other
Are always parallel
Are always anti-parallel
Never intersect
None of these
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Question # 5
When an electron is accelerated through a P.D. of an one volt, it will acquire energy equal to
Choose an answer
One joule
One erg
One electron volt
None of these
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Question # 6
In the equilibrium state, the potential difference between two ends of the conductor moving across a magnetic field is called:
Choose an answer
Motion emf
Electrostatic emf
Induced emf
Both A and B
Both A and C
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Question # 7
A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which force makes with the direction of motion of a body is:
Choose an answer
0
°
30
°
60
°
90
°
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Question # 8
Vibratory motion is always under
Choose an answer
Applied force
Restoring force
Periodic force
Gravitational force
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Question # 9
According to Stoke's law, drag force depends on
Choose an answer
Initial velocity
Final velocity
Terminal velocity
Instantaneous velocity
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Question # 10
A signal appears after amplification, at the output terminal with a phase shift of 180
° , if it is applied at
Choose an answer
inverting input
non-inverting input
any one of the input terminal
none of them
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Question # 11
The expression of Hook's law is
Choose an answer
F=ma
F=kx
F= -kx
-kx=ma
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Question # 12
The function of colimator is
Choose an answer
To converge the incoming rays
To make the parallel rays from source
In which the source of light is kept
None of these
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Question # 13
Flow rate has SI unit
Choose an answer
m
2
/s
m/s
m
3
/s
m
3
/s
2
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Question # 14
The uncertainty of any measurement may occur due to
Choose an answer
Limitation to an instrument
Natural vibrations of the object
Natural imperfections of a persons sense
All of these
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Question # 15
Phenomenon of interference and diffraction support the:
Choose an answer
Quantum nature of light
Tranverse nature of light
Wave nature of light
Complex nature of light
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Question # 16
Electric field force per unit charge is
Choose an answer
Coulomb's force
Electric intensity
Gauss's Law
None of these
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Question # 17
For glass-air boundary the critical angle θ
c
is
Choose an answer
30
o
41.8
o
42.0
o
44.0
o
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Question # 18
The light source in the transmitter can be
Choose an answer
semiconductor laser
LED
both of them
either of them
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Question # 19
Average acceleration is the difference of two vectors divided by a scalar
Δ
t. Therefore
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Question # 20
Two small spheres of radii r and 2r fall through a viscous medium with constant speed the viscous forces experienced by them are in ratio
Choose an answer
1 : 2
2 : 1
1 : 4
4 : 1
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Question # 21
After terminal velocity is reached, the acceleration of a body falling through a viscous fluid is
Choose an answer
More than g
Less than g
Equal to g
Zero
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Question # 22
Pico is the prefix for
Choose an answer
10
-10
10
-12
10
-15
10
-18
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