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Online Tests
Physics 9th Class English Medium Online Test MCQs With Answers
Question # 1
A silvery white surface is a :
Choose an answer
Worst reflector
Best reflector
Worst absorber
Best absorber
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Question # 2
Alcohol has specific heat in Jkg
-1
K
-1
is:
Choose an answer
2500
4200
1000
138.6
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Question # 3
Fossils fuels are usually compound of:
Choose an answer
Carbon
Hydrogen
Carbon & Hydrogen
None of these
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Question # 4
The earth also completes its one revolution about its axis in.
Choose an answer
1 Hours
6 Hours
13 Hours
24 Hours
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Question # 5
What should be the approximate length of a glass tube to construct a water barometer?
Choose an answer
0.3 m
1 m
2.5 m
11 m
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Question # 6
Larger number of slots are made in radiators to increase:
Choose an answer
Surface temperature
Surface area
Both A and B
Nonr
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Question # 7
Parallel forces are those whose:
Choose an answer
Times of action are parallel
Points of action are different
More than one forces
All of the given option
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Question # 8
The SI unit of thermal conductivity is
Choose an answer
Wm K-1
Wm-1K
Wm-1K -1
WmK
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Question # 9
All divers need to wear seat belt because of effect of:
Choose an answer
Inertia
Gravity
Car force
Nil
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Question # 10
Above of mass 50 kg is raised to a height of 3m. what is its P.E
Choose an answer
500 J
1000 J
1500 J
2000 J
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Question # 11
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 # 12
A large water reservoir keeps the temperature of nearby land moderate due to
Choose an answer
Low temperature of water
Low specific heat of water
Less absorption of heat
Large specific heat of water
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Question # 13
1 MJ=
Choose an answer
10
3
J
10
6
J
10
7
J
10
-3
J
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