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Online Tests
Physics Fsc Part 1 Online Test MCQs With Answers
Question # 1
Time rate of change of angular displacement is called
Choose an answer
Linear velocity
Angular velocity
Rotational velocity
Vibrational velocity
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Question # 2
The weight of the body at the centre of earth is
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Maximum
Minimum
Zero
Infinite
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Question # 3
The motion and rest are
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Absolute
Relative
Mutual
All of these
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Question # 4
If the time period of simple pendulum is 2 seconds its frequency will be.
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1 Hz
0.5 Hz
1.5 Hz
2 Hz
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Question # 5
Head to tail rule is used for
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Addition of vectors
Subtraction of vectors
Multiplication of vectors
Division of vectors
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Question # 6
Inertia may expressed in
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Kg
Newton
Watt
Joule
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Question # 7
The centripetal force is always directed
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Away from the centre along the radius
Along the direction of motion
Opposite to the motion of the body
Towards the centre along the radius
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Question # 8
Soap film is sunlight appears coloured due to.
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Dispersion of light
Diffraction of light
Scattering of light
Interference fo light
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Question # 9
If the temperature of a gas is constant then <1/2 mv2> of the molecules of gas will be.
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Constant
Zero
Increase
Decrease
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Question # 10
The focal length of convex lens
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Negative
Positive
small
Large
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Question # 11
The minimum number of correctly positioned communication satellites to cover whole populated earth is.
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2
3
100
200
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Question # 12
The equations of motion hold good for
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Variable acceleration
Uniform acceleration
Centripetal acceleration
All of these
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Question # 13
The wavelength of wave produced by microwave oven is.
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12 cm
12 m
18 m
18 cm
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Question # 14
Reapters are placed in new system at distance of.
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30 km
50 km
80 km
100 km
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Question # 15
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 # 16
Slope of velocity time graph describes a physical quantity called.
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Displacement
Average velocity
Average acceleration
Momentum
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Question # 17
If amplitude of a simple pendulum is increased by 4 times the time period will be.
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Four times
Half
Same
Two times
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Question # 18
The efficiency of heat engine whose sink is at 17
o
C and source at 200
o
C is.
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38%
63%
80%
90%
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