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Online Tests
Physics Fsc Part 1 Online Test MCQs With Answers
Question # 1
The energy processes, we use are
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Efficient
Not efficient
Reversible
None of these
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Question # 2
The amplitude of a vibrating body at resonance in vacuum is
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Minimum
Maximum
Zero
Infinite
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Question # 3
Entropy of measure of.
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Internal energy of system
Order of system
Disorder of system
Potential energy of system
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Question # 4
__ will travel faster than other through an optical fibre.
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Ultraviolet light
Visible light
Infrared light
White light
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Question # 5
Work has dimension lime
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Torque
Momentum
Velocity
Power
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Question # 6
If a rocket is accelerating upward with an acceleration of 2 g, an astronaut of weight, mg in the rocket shows apparent weight.
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Zero
Mg
2 mg
3 mg
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Question # 7
The dimensional unit of impulse is.
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[MLT]
[MLT-1]
[ML-1T-1]
[M-1L-1T-1]
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Question # 8
The angular acceleration a =
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Question # 9
The SI unit of angular displacement is.
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Degree
Revolution
Radian
Rotation
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Question # 10
If 'N' is number of lines rule don the grating having length 'L' then grating element 'd' is given by.
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N/L
2N/L
L/N
N/2L
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Question # 11
Interplaner distance can be determined by
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Newton's rings
Bragg's law
Diffraction pattern
Interferometer
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Question # 12
The resultant of two vectors having magnitude 12 N and 8 N can not be
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2 N
20 N
10 N
16 N
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Question # 13
The speed of sound is greater in solids due to their high.
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Density
Pressure
Temperature
Elasticity
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Question # 14
The speed \velocity of sound is greatest in.
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Air
Steel
Ammonia
Water
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Question # 15
If heat is added to a system, then its entropy will.
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Increases and positive
Decrease and positive
Increases but negative
Decreases but negative
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Question # 16
An ideal reversible heat engine has
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100% efficiency
Highest efficiency
80%
90%
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Question # 17
One complete round trip of a body is called
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Displacement
Time period
Vibration
Frequency
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Question # 18
Angle between ray of light and wave front is
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0
o
60
o
90
o
120
o
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