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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
Shining silvered surface is a best:
Choose an answer
Emitter
Absorber
Reflector
None of these
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Question # 2
In which case it is easy for the tyre to roll over:
Choose an answer
Rough ground
Smooth ground
Same
None
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Question # 3
When a body is lifted through a height h, the work donw on it appears in the form of its.
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Kinetic energy
Potential energy
Elastic energy
Geothermal energy
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Question # 4
Rate of change of momentum is equal to:
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Mass
Torque
Weight
Force
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Question # 5
The orbital speed of a low orbit satellite is:
Choose an answer
Zero
8 ms
-1
800 ms
-1
8000 ms
-1
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Question # 6
Which is not an example of torque?
Choose an answer
Opening a nut
Door opening
Picking up a toy
All of them
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Question # 7
Ship and boats are designed on the principal of
Choose an answer
Charge
Densities
Volume
Floatation
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Question # 8
If a body does work at the rate of 1 Js
-1
then its power will be:
Choose an answer
KW
1 MW
1 W
None of these
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Question # 9
At sea level height if mercury is:
Choose an answer
1000 cm
10 cm
1m
76 cm
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Question # 10
Dependent quantities are taken on
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x - axis
-ve x -axis
y-axis
- y-axis
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Question # 11
Cream separater works on:
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Centrifuge principle
Centripetal force
Both
None
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Question # 12
Momentum is defined as the product of
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Mass and acceleration
Force and acceleration
Mass and velocity
Force and velocity
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Question # 13
Friction is caused by :
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Shining surface
Rough surface
Polished surface
Nil
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