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Online Tests
9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
A body of mass 5 kg i moving with a velocity of 10 ms
-1
. Find the force required to stop it in 2s.
Choose an answer
5 N
25 N
20 N
30 N
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Question # 2
The unit of π is:
Choose an answer
N
m
s
None
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Question # 3
__________ expands on heating?
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Matter
Plasma
Gas
Solid
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Question # 4
On heating the strip, ___________ expands more than_______
respectively.
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Brass, Iron
Iron, Brass
Copper, brass
Brass, copper
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Question # 5
After tilting if body come back to its original position then the body is in:
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Stable equilibrium
unstable equilibrium
Neutral equilibrium
Equilibrium
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Question # 6
The mathematical formula of thermal conductivity is
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k =Q/t x L/A (T1 - T2)
k =Q/t x L/A (T1 + T2)
k =t/Q x L/A (T1 - T2)
k =2Q/t x L/A (T1 + T2)
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Question # 7
Metals are good conductor of heat dut to the:
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Free electron
Big size of their molecule
Small size of their molecules
Rapid vibrations of their atoms
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Question # 8
A crate is moved by pulling the rope attached to it. it moves 10 m on straight horizontal read by a force of 100 N. How much work will be done when the rope is making an angle of 30° with the road?
Choose an answer
5 Joules
86 Joules
707 Joules
866 Joules
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Question # 9
Which one of the following converts light energy into electrical energy?
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Electric bulb
Electric generator
Photo cell
Electric cell
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Question # 10
If an object is moving with a uniform changing speed then speed time graph .
Choose an answer
Variable
Parallel to time axis
Straight line
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Question # 11
In which of the following state molecules do not leave their position?
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Solid
Liquid
Gas
Plasma
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Question # 12
Transfer of heat by the actual movement of molecules from one place to the other is called 
Choose an answer
conduction
convection
radiation
waves
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Question # 13
The energy stored in dam is:
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Potential energy
Kinetic energy
Chemical enegy
Nuclear energy
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