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Online Tests
1st Year Fsc Physics Online Test MCQs With Answers
Question # 1
A paratooper moves downward with
Choose an answer
Zero acceleration
Constant acceleration
Positive acceleration
Negative acceleration
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Question # 2
A ball is thrown up vertically, it takes 3 sec to reach maximum height. Its initial velocity is.
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10 ms-1
12.2 ms-1
15 ms-1
29.4 ms-1
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Question # 3
A communication satellite is used ot reflect the signal of.
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Microwaves
Radio waves
y rays
x -rays
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Question # 4
Increase in the velocity of sound in air for 1
o
C rise in temperature is.
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61 ms-1
0.61 ms-1
161 ms-1
261 ms-1
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Question # 5
An elevator is moving up with an acceleration equal to 'g' An apparent weight of the body in an elevator is.
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Zero
Equal to real weight
2 mg
3 mg
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Question # 6
The drag force increases as the speed of object
Choose an answer
Become zero
Decreases
Increases
Remains constant
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Question # 7
Which of the following is not directed along the fixed axis of rotation.
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Angular displacement
Angular momentum
Centripetal acceleration
Angular acceleration
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Question # 8
A heat engine operates between the temperature 1000 K and 400 K, Its efficiency is.
Choose an answer
100%
70%
60%
50%
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Question # 9
If velocity time graph is parallel to time axis, then acceleration of moving body will be.
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Maximum
Positive
Zero
Negative
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Question # 10
The centre of Newton's rings will be
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Dark
Bright
Coloured
Not visible
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Question # 11
Kilo watt hour is the unit of
Choose an answer
Power
Energy
Force
Torque
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Question # 12
The time rate of change of momentum equals
Choose an answer
Weight
Applied force
Impulse
Mass
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Question # 13
Crests and trough are formed in.
Choose an answer
Longitudinal waves
transverse waves
Stationary waves
Compression waves
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Question # 14
For 0.0036 no. of significnat digits
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1
3
2
4
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Question # 15
The area between velocity time graph and the time axis is numerically equal to.
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?Speed of object
Distance covered by the object
Average velocity of the object
Acceleration of the object.
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Question # 16
In sonar we use
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Sound waves
Ultrasound waves
Microwaves
Radio waves
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Question # 17
The K.E. of bullet of mass 500 gm moving at a speed of 200 ms-1
Choose an answer
250 J
125 J
2500 J
10,000 J
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Question # 18
If a mass of a body is doubled, then acceleration becomes.
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Double
Half
One fourth
Constant
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