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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Room are heated using gas heaters by:
Choose an answer
Conduction only
Convection and radiation
Radiation only
Convection only
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Question # 2
What should be approximate length of a glass tube to construct of water barometer?
Choose an answer
0.5 m
1 m
2.5 m
11 m
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Question # 3
Kinetic energy of the molecules depends on its:
Choose an answer
Temperature
Surface are
Density
Volume
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Question # 4
The unit of heat capacity is:
Choose an answer
Jkg k
JK
-1
Jkg
-1
K
J
-1
kg
-1
K
-1
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Question # 5
Gravitational pull of earth is called:
Choose an answer
Weight
Mass
Force
Tension
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Question # 6
A ball of mass 1 kg moving with velocity 2 ms-1, Its momentum will be
Choose an answer
1 Ns
2 Ns
0.5 Ns
4 Ns
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Question # 7
During the hot summer day the vlaue of atomospheric pressure is:
Choose an answer
Increase
Decreases
Constant
None of these
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Question # 8
The direction of momentum is
Choose an answer
opposite to motion
Along the velocity
Perpendicular to motion
None of these
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Question # 9
Coloured surface is a
Choose an answer
Best emitter
Good emitter
Bad emitter
Wrost emitter
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Question # 10
The product of force and momentum arm is called:
Choose an answer
Couple arm
Torque
Rigid body
Axis of rotation
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Question # 11
1 litre is equal to:
Choose an answer
10
2
m
3
10
-3
m
3
10
3
m
3
10
6
m
3
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Question # 12
___________ varies with height.
Choose an answer
Weight
Pressure
Mass
Energy
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Question # 13
Weight of the body is__________ to the gravity force between body and earth:
Choose an answer
Less than
Greater than
Equal
Constant
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