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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Torque is a ___________ quantity.
Choose an answer
Vector
Scalar
Base
All of these
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Question # 2
Ability of body to do work due to its height is called.
Choose an answer
potential energy
kinetic energy
gravitational potential energy
elastic potential energy
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Question # 3
1 MJ=
Choose an answer
10
3
J
10
6
J
10
7
J
10
-3
J
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Question # 4
The gravitational field exist _________ the earth.
Choose an answer
One direction
Upward
All aorund
Downward
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Question # 5
Falls ceiling is done to:
Choose an answer
Lower the height of ceiling
Keep the roof clean
Cool the room
Insulate the ceiling
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Question # 6
The density of a substance can be found with the help of:
Choose an answer
Pascal's law
Hook's law
Archimedes principle
Principle of floatation
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Question # 7
A Leslie cube is use to identify :
Choose an answer
Radiation
Conduction
Convection
Both A and B
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Question # 8
At the surface of Earth, the acceleration due to gravity 'g' is measured by using the formula
Choose an answer
g = GMe/R
GMe/R2
g = 2GMe/R2
g = GMe/2R
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Question # 9
Thermoflask is used maintain:
Choose an answer
Heat
Temperature
Density
Pressure
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Question # 10
If the applied force is 'F' and its moment arm is 'r' then torque is defined as
Choose an answer
τ = rF
τ = r2F
τ = r + F
τ = 2rF
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Question # 11
Due to _____________ we can watch live programs.
Choose an answer
Natural Satellite
Antenna
Artificial satellite
Nil
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Question # 12
Convection of heat is a process of heat transfer due to;
Choose an answer
Random motion of molecules
Downward motion of molecules
Upward motion of molecules
Free motion of molecules
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Question # 13
Inertia depends upon:
Choose an answer
Weight
Mass
Density
Force
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