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Online Tests
Physics 9th Class English Medium Unit 8 Online Test MCQs With Answers
Question # 1
Specific heat of water is J kg
-1
K
-1
IS:
Choose an answer
4200
4000
1000
2500
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Question # 2
Density of water is:
Choose an answer
100 kgm
-3
1000 kgm
-3
10 kgm
-3
1 kgm
-3
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Question # 3
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 # 4
Specific heat of water is how many times greater than that of dry soil?
Choose an answer
two times
three time
four times
five times
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Question # 5
Which of the following affects evaporation?
Choose an answer
Temperature
Surface area of the liquid
Wind
All of the above
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Question # 6
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 # 7
The temperature at which a solid start melting is:
Choose an answer
Freezing point
Melting point
Fusion point
Both B and C
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Question # 8
The freezing point of Mercury is:
Choose an answer
49
o
C
-49
o
C
39
o
C
-39
o
C
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Question # 9
How many scales of measurement of temperature are?
Choose an answer
One
Two
Three
Four
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Question # 10
Water on cooling below 4
o
C begins to:
Choose an answer
Expand
Contract
Boils
None of these
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Question # 11
Bimetal strip is made up of two different metal:
Choose an answer
Copper & iron
Brass & Iron
Brass & Nickel
Copper & Nickel
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Question # 12
On heating the strip, ___________ expands more than_______
respectively.
Choose an answer
Brass, Iron
Iron, Brass
Copper, brass
Brass, copper
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Question # 13
Which of the following do not effect evaporation?
Choose an answer
Temperature
Wind
Volume
Surface area of liquid
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