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Physics 9th Class English Medium Online Test MCQs With Answers
Question # 1
If 'm' is a mass of a body and 'c' is its specific heat, then its heat capacity is a given by
Choose an answer
m/c
c/m
mc
mc2
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Question # 2
____________ from sun are major source of energy on earth.
Choose an answer
Light
Radiation
Both a & b
None of these
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Question # 3
The unit of force is
Choose an answer
Newton
m
3
ms
-2
ms
-1
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Question # 4
The force exerted perpendicularly on unit of area of an object is called:& nbsp
Choose an answer
strain
young's modulus
pressure
buoyant force
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Question # 5
Things with _____________ area are more stable>
Choose an answer
Larger
Smaller
All
None of these
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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
The value of g on moon's surface is 1.6 ms
-2
. what will be the weight of a 100 kg body on the surface of the moon?
Choose an answer
100 N
160 N
1000 N
1600 N
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Question # 8
The radius R of Earth is
Choose an answer
6.4 x 106 m
6.4 x 108 m
6.4 x 1010 m
6.4 x 1012 m
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Question # 9
Central heating systems in buildings operate by
Choose an answer
Conduction
Radiation
Convection
Condensation
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Question # 10
Water is _________ conductor:
Choose an answer
Best
Bad
Good
Poor
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Question # 11
2nd law of motion is stated as:
Choose an answer
F=m/a
F=ma
F=a/m
F=ma
2
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Question # 12
Earth revolves around the:
Choose an answer
Moon
Sun
Glaxy
None
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Question # 13
At sea level, the atmospheric pressure is about.
Choose an answer
101320 Pa
101300 Pa
10110 Pa
10112 Pa
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