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CBSE
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MCQ Questions for CBSE Class 12 with Answers
MCQ Questions for CBSE Class 11 with Answers
MCQ Questions for CBSE Class 10 with Answers
MCQ Questions for CBSE Class 9 with Answers
MCQ Questions for CBSE Class 8 with Answers
MCQ Questions for CBSE Class 7 with Answers
MCQ Questions for CBSE Class 6 with Answers
MCQ Questions for CBSE Class 5 with Answers
MCQ Questions for CBSE Class 4 with Answers
MCQ Questions for CBSE Class 3 with Answers
MCQ Questions for CBSE Class 2 with Answers
MCQ Questions for CBSE Class 1 with Answers
Quiz
CBSE
/
Class 11
/
Physics
/
Kinetic Theory
1.
Real gases show mark able deviation from that of ideal gas behavior at
High temperature and low pressure
Low temperature and high pressure
High temperature and high pressure
Low temperature and low pressure
2.
One mole of mono atomic gas (g = 5/3) is mixed with one mole of diatomic gas (g = 7/5) what will be the value of g for the mixture?
1.5
2.5
1.0
2
3.
A room temperature the r.m.s. velocity of the molecules of a certain diatomic gas is found to be 1930 m/sec. the gas is
H²
F²
O²
Cl²
4.
The temperature at which the r.m.s. velocity of H² becomes escape velocity from the earth is,
10059°C
10059 K
10332°C
10332 K
5.
Moon has no atmosphere because
It is far away form the surface of the earth
Its surface temperature is 10°C
The r.m.s. velocity of all the gas molecules is more then the escape velocity of the moons surface
The escape velocity of the moons surface is more than the r.m.s velocity of all molecules
6.
At a certain temperature, hydrogen molecules have r.m.s. velocity of 3 km/s. what is the r.m.s velocity of the oxygen molecules at the same temperature?
0.25 km/s
0.5 km/s
0.75 km/s
6 km/s
7.
Latent heat of ice is
Less than external latent heat of fusion
Equal to external latent heat of fusion
More then external latent heat of fusion
Twice the external latent heat of fusion
8.
Energy supplied to convert unit mass of substance from solid to liquid state at its melting point is called
Latent heat of fusion
Evaporation
Solidification
Latent heat of fission
9.
Which of the following is the unit of specific
J kg/°c
J/kg°c
kg°c/J
J kg/°c²
10.
An ideal gas is that which can
Be solidified
Liquefied
Not be liquefied
Not be solidified
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