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Online Tests
Physics 9th Class English Medium Unit 8 Online Test MCQs With Answers
Question # 1
The boiling point of mercury is:
Choose an answer
-10
o
C
150
o
C
375
o
C
457
o
C
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Question # 2
Which of the following do not effect evaporation?
Choose an answer
Temperature
Wind
Volume
Surface area of liquid
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Question # 3
Which gas is used inspite of Freon gas in refrigerator?
Choose an answer
CO
2
H
2
NH
3
N
2
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Question # 4
Bimetallic strip works on the principle of
Choose an answer
expansion of metals
contraction of metals
both (A) and (B)
unequal expansion of metals
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Question # 5
Absolute zero is equal to:
Choose an answer
0
°
C
-273
°C
0
°F
All
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Question # 6
____________ deals with temperature .
Choose an answer
Bio physics
Geophysics
Thermo physics
Plasma physics
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Question # 7
The specific heat of glass is:
Choose an answer
501.72
500
501
502
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Question # 8
Specific heat of water is J kg
-1
K
-1
IS:
Choose an answer
4200
4000
1000
2500
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Question # 9
In summers the railways bends due to:
Choose an answer
Expansion
Contraction
Both
None
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Question # 10
What will be the value of β for a solid for which α has a value of 2 x 10
-5
C
-1
Choose an answer
2 x 10
-5
K
-1
6 x 10
-5
K
-1
8 x 10
-15
K
-1
8 x 10
-5
K
-1
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Question # 11
The upper reference point in thermometer is used to check:
Choose an answer
Melting point
Freezing point
Boiling point
Streaming point
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Question # 12
The formula of heat capacity is:
Choose an answer
mc
mc𝜟𝜽
mc𝜟Q/𝜟T
None of these
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