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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
If Fy = 4 N and Fx = 3 N , what is the magnitude of resolution of force.
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5 N
7 N
10 N
15N
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Question # 2
The substances through which heat does not conduct:
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Conductors
Bad conductors
Insulators
Both B and C
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Question # 3
The formula of torque is:
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L= F x E
E = F x t
t = F x L
E = F x L
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Question # 4
Which of the following is the unit of momentum?
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Nm
kgms
-2
Ns
Ns
-1
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Question # 5
"Latent" is derived from ............... word.
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Latin
English
Greek
Roman
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Question # 6
Mathematically, % efficiency is defined as & nbsp
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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 # 7
At sea level, the atmospheric pressure is about.
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101320 Pa
101300 Pa
10110 Pa
10112 Pa
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Question # 8
In measurement 1.032 numbers of significant figure are.
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1
2
3
4
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Question # 9
In summers the railways bends due to:
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Expansion
Contraction
Both
None
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Question # 10
The unit of electric charge is
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Ampare
Joule
Coulomb
Volt
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Question # 11
Both metals and non-metals transfer:
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Electricity
Heat
Both A and B
None of these
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Question # 12
Turning effect of a force is called:
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Torque
Moment
Couple
Torque and momentum
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Question # 13
The large unit of work is:
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Kilowatt
Kilo joul
Mega joul
Both B and C
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