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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
One liter is equal to:
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1 kgcm-3
1000 cm-3
10-6 m3
10-3 m3
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Question # 2
The energy store in an atom or molecule due to intermolecular force is:
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Kinetic energy
Potential energy
Internal energy
G.P.E
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Question # 3
In Einstein's mass-energy equation ,c is the
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Speed of sound
Speed of light
Speed of electron
Speed of Earth
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Question # 4
Newton per meter square is a unit of:
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Pressure
Stress
Both A and B
Force
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Question # 5
Ability of body to do work due to its height is called.
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potential energy
kinetic energy
gravitational potential energy
elastic potential energy
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Question # 6
Convection of heat is the process of heat transfer due to the
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Random motion of molecules
Downward movement of molecules
Upward movement of molecules
Free movement of molecules
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Question # 7
If an object is moving with constant speed then its distance time graph will be a straight line.
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Along time -axis
Along distance -axis
Inclined to time - axis
Parallel to time-axis
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Question # 8
The study of the structure and properties of atom is called.
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Electricity
Nuclear physics
Geo Physics
Atomic Physics
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Question # 9
Velocity of the body moving in upward direction from the contre of the earth.
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Increases
Decrease
Remain constnat
None of these
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Question # 10
The centre of gravity of uniform triangle is:
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Point of intersection of medians
On its vertex
On middle point of its axis
Point of intersection of diagonal
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Question # 11
The force acting on unit area at surface of a body is called:
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Strain
Elasticity
Force
Stress
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Question # 12
Sin 45
o
is
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0.707
0.5
1
0.2
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Question # 13
Feathers of bird give good thermal:
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Conduction
Insulation
Convection
None of these
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