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Online Tests
Physics 9th Class English Medium Online Test MCQs With Answers
Question # 1
Transfer of heat by actual movement of molecules form hot place to cold place is called:
Choose an answer
Conduction
Convection
Radiation
None
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Question # 2
The acceleration produced in a moving body is always in the direction of applied
Choose an answer
Velocity
Force
Speed
Momentum
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Question # 3
Mathematically, % efficiency is defined as & nbsp
Choose an answer
Efficiency % required form or input/ total input energy x 100
Efficiency % required form or input/ total input energy x 100
Efficiency % input energy / output energy x 100
Efficiency % work / time x 100
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Question # 4
________ is used to measure the force or weight of a body :
Choose an answer
Physical balance
Spring balance
A and B both
None
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Question # 5
What gas behaves as glass or polythene to radiation:
Choose an answer
Nitrogen
Hydrogen
Carbon di oxide
Methane
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Question # 6
All divers need to wear seat belt because of effect of:
Choose an answer
Inertia
Gravity
Car force
Nil
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Question # 7
It base of a right angled triangle is 3 cm and its perpendicular is 3 cm.Then its hypotenuse will be
Choose an answer
2 cm
4 cm
6 cm
5 cm
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Question # 8
At night , the air from land to begins towards sea called:
Choose an answer
Land breeze
Sea breaze
Both A and B
Radiation
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Question # 9
The temperature of a black dull surface on heating :
Choose an answer
Rise Rapidly
Fall Rapidly
Becomes zero
Remain constant
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Question # 10
Which of the following relation is correct?
Choose an answer
F = m/a
F = m-a
F = ma
F = m + a
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Question # 11
The amount of heat absorb by body depends on the :
Choose an answer
Colour of the surface
Nature of surface
Texture of surface
Both A and B
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Question # 12
Product of mass and velocity of a body is called.
Choose an answer
Torque
Force
Work
Momentum
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Question # 13
Anticlockwise torque is taken:
Choose an answer
Negative
Neutral
Positive
Nil
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