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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The rate at which various surface absorb heat depends upon:
Choose an answer
Nature of surface
Nature of liquid
Radiation
Emission & absorption
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Question # 2
The forces that are parallel to each other and have the same direction are called:
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Like parallel forces
Unlike parallel forces
Resultant forces
Net forces
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Question # 3
Anything that rotates around a planet is called:
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Star
Sun
Moon
Satellite
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Question # 4
The unit of coefficient of friction .
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Newton
ms
-1
ms
-2
No unit
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Question # 5
Which of the following is produced in refrigerators by evaporation of a liquefied gas?
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Heating
Cooling
Freezing
Melting
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Question # 6
The angle between rectangular components of a vector is
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0°
90°
180°
270°
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Question # 7
The braking system of cars, buses etc also works on
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Newton's law
Pascal law
Faraday law
Bohr's law
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Question # 8
Newton's first law of motion is known as law of ___________________
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Force
Inertia
A and B both
None
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Question # 9
Formula of Gravitational potential energy is:
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mgh
mg/h
1/2 mv
2
None of these
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Question # 10
Cos 0
°
=
Choose an answer
0.5
1
0.866
0
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Question # 11
What is unit of momentum?
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Kg m/s
m
c
Nil
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Question # 12
A body jumps out of a moving bus. There is a danger for him to fall:
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Towards the moving bus
Away form the bus
In the direction of motion
opposite to the direction of motion
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Question # 13
The main source of energy n the universe is:
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Moon
Stars
Sun
Planets
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