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Online Tests
9th Class Physics Chapter 8 Thermal Properties of Matter English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
S.I unit of specific heat is:
Choose an answer
Jkg
-1
K
-1
J
-1
kg
-1
K
-1
JkgK
Jkg
-1
K
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Question # 2
Degree of hotness or coldness a body is called:
Choose an answer
Heat
Internal Energy
Temperature
Potential energy
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Question # 3
In summers the railways bends due to:
Choose an answer
Expansion
Contraction
Both
None
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Question # 4
Latent heat of fusion is denoted by:
Choose an answer
H1
Hm
Hv
Hf
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Question # 5
The value of latent heat of vaporization of water is:
Choose an answer
2.26 x 10
6
Jkg
-1
2.29 x 10
5
Jkg
-1
2.26 x 10
-6
Jkg
-1
3.29 x 10
-5
Jkg
-1
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Question # 6
What flower is known as natural thermometer?
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Rose
Barasicca
Crocus
Tulip
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Question # 7
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 # 8
Steam is used to run machine because of high amount of ___________ heat.
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Latent
Great
Large
Nil
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Question # 9
Density of water is:
Choose an answer
100 kgm
-3
1000 kgm
-3
10 kgm
-3
1 kgm
-3
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Question # 10
In ___________ (CFC) was found reacting with ozone.
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1920s
1970s
1950s
1960s
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Question # 11
Which of the following material has large specific heat?
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Copper
Ice
Water
Mercury
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Question # 12
Length of a rod is L∘ on temperature T∘. After heating upto temperature T, its length L becomes
Choose an answer
L = L∘ (1 + αΔT)
L = L∘ (1 + ΔT)
L = L∘ (1 - αΔT)
L = L∘ (1 -ΔT)
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Question # 13
Melting point is also known as:
Choose an answer
Moiling point
Freezing point
Fusion point
None of these
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