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Online Tests
Physics 9th Class English Medium Unit 8 Online Test MCQs With Answers
Question # 1
Process by which liquids changes into vapors is ............... .
Choose an answer
Vaporization
Evaporation
Boiling
None of above
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Question # 2
The specific heat of glass is:
Choose an answer
501.72
500
501
502
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Question # 3
The unit of rate of conduction :
Choose an answer
JS
-1
J
K
JK
-1
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Question # 4
Absolute zero is equal to:
Choose an answer
0
°
C
-273
°C
0
°F
All
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Question # 5
The energy store in an atom or molecule due to intermolecular force is:
Choose an answer
Kinetic energy
Potential energy
Internal energy
G.P.E
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Question # 6
Kinetic energy of the molecules depends on its:
Choose an answer
Temperature
Surface are
Density
Volume
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Question # 7
How many scales of measurement of temperature are?
Choose an answer
One
Two
Three
Four
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Question # 8
Degree of hotness or coldness a body is called:
Choose an answer
Heat
Internal Energy
Temperature
Potential energy
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Question # 9
The temperature of sun surface is:
Choose an answer
5000
°C
4000
°C
6000
°C
7000
°C
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Question # 10
Degree of hotness or coldness measures the body:
Choose an answer
Heat
Temperature
Energy
Thermal
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Question # 11
A large water reservoir heeps the temperature of nearby land moderate due to:
Choose an answer
Low temperature
Low specific heat of water
Less absorption of heat
Large specific heat of water
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Question # 12
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 # 13
Which process produced cooling effect?
Choose an answer
boiling
freezing
condensation
evaporation
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Question # 14
Latent heat of fusion of water is:
Choose an answer
3.36 x 10
10
Jkg
-1
93.6 x 10
10
Jkg
-1
3.36 x 10
5
Jkg
-1
None of these
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Question # 15
Water starts boiling at:
Choose an answer
80 °C
100 °C
90 °C
101 °C
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