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Online Tests
Physics English Medium Fsc Part 1 Chapter 11 Online MCQs Test MCQs With Answers
Question # 1
The measure of hotness or coldness of a substance is.
Choose an answer
Temperature
Heat
Internal energy
Energy
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Question # 2
A diatomic gas molecules has
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Translational energy only
Rotational energy only
Vibrational energy only
All translational, Rotational and vibrational energy
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Question # 3
The energy processes, we use are
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Efficient
Not efficient
Reversible
None of these
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Question # 4
The mean kinetic energy of gas is at.
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0
o
C
-273
o
C
100 K
100
o
C
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Question # 5
Temperature of a gas is increased from 27 oC to 127 oC. The ratio of its mean K.E. will be
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3/4
9/16
4/3
10/9
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Question # 6
The molecules of an ideal gas exert
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Force on each other
No force on each other
Large force on each other
Pressure on each other
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Question # 7
For a diatomic gas Cv= 5R/2 then gamma for this gas is.
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5/7
4/35
7/5
35/4
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Question # 8
The curve representing an adiabatic process is called.
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An adiabatic
An isotherm
Both of these
None of these
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Question # 9
Average translational K.E. of molecules for an ideal gas is given as
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1/2 KT
KT
2/3 KT
3/2 KT
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Question # 10
Efficiency of a heat engine working between 27
o
C and 32
o
C will be.
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50%
90%
40%
62%
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