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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The unit of Heat is:
Choose an answer
Kelvin
Joule
Jkg
-1
K
-1
kg
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Question # 2
Tan 90
°=
Choose an answer
Infinity
1
0
0.866
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Question # 3
Brownian motion is an example of.
Choose an answer
Linear motion
Random motion
Circular motion
Vibratory motion
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Question # 4
Unit of strain is:
Choose an answer
Nm
-2
Nm
N
No unit
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Question # 5
The first man who came up with the idea of gravity was?
Choose an answer
Issac Newton
Einstein
Faraday
J,S Joseph
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Question # 6
Significant figures in an expression are.
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All the digits
All accurately known digits
All the accurately known digits and the first doubtful digit.
All the accurately known digits and all the doubtful digits.
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Question # 7
Which surface is best reflector of heat?
Choose an answer
dull black surface
coloured surface
white surface
shining slivered surface
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Question # 8
Leslie's cube is filled with:
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Cold water
Hot water
Mercury
Air
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Question # 9
Momentum is defined as the product of
Choose an answer
Mass and acceleration
Force and acceleration
Mass and velocity
Force and velocity
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Question # 10
Specific heat of water is J kg
-1
K
-1
IS:
Choose an answer
4200
4000
1000
2500
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Question # 11
Those objects which do not conduct electricity are called.
Choose an answer
Insulator
Semi conductor
Nil
Conduct
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Question # 12
Co-efficient of friction between wood and concrete.
Choose an answer
0.63
0.8
1
0.9
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Question # 13
Anticlockwise torque is taken:
Choose an answer
Negative
Neutral
Positive
Nil
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