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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
See breeze blows form sear to land during:
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day
night
after noon
morning
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Question # 2
Newton related inertia of the body with its
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Weight
Mass
Density
Force
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Question # 3
Turning effect of a force is called:
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Torque
Moment
Couple
Torque and momentum
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Question # 4
A body is in neutral equilibrium when its centre of gravity:
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Is at its highest position
Is at the lowest position
Keep its height if displaced
Is situated at its bottom
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Question # 5
The value of gravitational acceleration when a body is moving in downward direction is.
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10 ms
-1
10 ms
-2
10 m
-10 ms
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Question # 6
The rate at which various surface absorb heat depends upon:
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Nature of surface
Nature of liquid
Radiation
Emission & absorption
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Question # 7
Fossil fuels are usually:
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Carbon di oxide
Hydrogen
Hydrocarbons
Carbon monoxide
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Question # 8
The process in which heat is transfer due to actual movement of molecule is called.
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Conduction
radiation
Convection
All of these
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Question # 9
The altitude of geostationary orbits in which communication satellites are launched above the surface of the earth is;
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850 km
1000 km
6400 km
42300 km
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Question # 10
Unit of Resultant force is:
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Nm
-2
N.m
Nm
-1
N
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Question # 11
Kilowatt - hour is unit of _____________
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Power
Energy
Work
K.e
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Question # 12
Conduction on heat occur at ________ rate in materials
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Different
Same
Both A and B
None
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