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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The value of sin θ at an angle of 60o is
Choose an answer
0.5
0
0.707
0.866
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Question # 2
Convection of heat is a process of heat transfer due to;
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Random motion of molecules
Downward motion of molecules
Upward motion of molecules
Free motion of molecules
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Question # 3
Evaporation takes place from liquid :
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Everywhere
Above surface only
Below surface only
Middle of liquid
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Question # 4
Base / Hypotenuse is called:
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Sin𝜽
Cos 𝜽
Tan 𝜽
Cot 𝜽
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Question # 5
Latent heat of fusion is denoted by:
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H1
Hm
Hv
Hf
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Question # 6
Einstein's mass-energy equation relation is:
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E =1/2 mc
2
E =mc
2
E =m
2
c
E = 2 mc
2
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Question # 7
The number of forces that can be added by head to tail rule are
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2
3
4
Any Number
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Question # 8
The weight of a body is 100 N its weight on moon is :
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0.17 Kg
1.7 N
17 N
170 N
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Question # 9
Expansion in one meter steel is:
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1.0 mm
0.1 mm
1.0 mm
1.3 mm
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Question # 10
The temperature of sun surface is:
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5000
°C
4000
°C
6000
°C
7000
°C
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Question # 11
Which of the following do not effect evaporation?
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Temperature
Wind
Volume
Surface area of liquid
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Question # 12
S.I unit of force is:
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N
Ns
s
None
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Question # 13
If the direction of motion of the force is perpendicular to the direction of motion of the body, then work done will be
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Maximum
Minimum
Zero
None of these
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