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Physics 9th Class English Medium Online Test MCQs With Answers
Question # 1
_____________ can neither be created nor be destroyed.
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Light
Force
Energy
Weight
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Question # 2
When a stress on a body crosses the limit, called the?
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Elastic limit
Plastic limit
Failure point
Breaking point
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Question # 3
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 # 4
Which law of motion is called law of inertia:
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first law of motion
Second law of motion
Third law of motion
Law of conversation of momentum
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Question # 5
The brids stretch out their wings and circle in the rising currents of hot air called
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conduction
convection
radiation
thermals
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Question # 6
A large water reservoir heeps the temperature of nearby land moderate due to:
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Low temperature
Low specific heat of water
Less absorption of heat
Large specific heat of water
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Question # 7
Rate of change of momentum equals:
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Displacement
Acceleration
Force
Velocity
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Question # 8
Heat is an important form of
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Matter
Energy
Wind
Force
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Question # 9
Two equal but unlike parallel forces having different lines of action produce:
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a Torque
a couple
Equilibrium
Netural equilibrium
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Question # 10
Which of the substance is heaviest?
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Copper
Mercury
Aluminum
Lead
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Question # 11
The energy released int he form of nuclear radiations in addition to heat and light is called:
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Mechanical energy
Gravitational energy
Chemical energy
Nuclear energy
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Question # 12
Two forces of 2N and 4N are acting in opposite directions, Their resultant force will be
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2 N
4 N
6 N
8 N
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Question # 13
The orbital velocity of a satellite revolving at height 'h' above the surface of Earth is given by
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