Kinetic Interpretation of Temperature NEET Questions

Physics - Kinetic Theory of Gases

Kinetic Interpretation of Temperature MCQ Questions


7.
According to kinetic interpretation, the temperature of an ideal gas is independent of:
A.
The nature (type) of the gas and the pressure or volume
B.
The Boltzmann constant
C.
The absolute temperature scale
D.
The average kinetic energy of molecules
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ANSWER :
A. The nature (type) of the gas and the pressure or volume
8.
At temperature T = 300 K, the rms speed of nitrogen molecules (molar mass 28 u) is approximately:
A.
1500 m/s
B.
1000 m/s
C.
200 m/s
D.
516 m/s
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ANSWER :
D. 516 m/s
9.
Kinetic theory shows that the internal energy of an ideal gas depends:
A.
On volume alone at constant pressure
B.
Only on pressure, not on temperature
C.
Only on temperature, not on pressure or volume
D.
On both pressure and volume equally
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ANSWER :
C. Only on temperature, not on pressure or volume
10.
In a mixture of non-reactive ideal gases at equilibrium, the average kinetic energy of molecules of different gases:
A.
Is greater for lighter molecules
B.
Is greater for heavier molecules
C.
Depends on the partial pressure of each gas
D.
Is equal for all gases at the same temperature
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ANSWER :
D. Is equal for all gases at the same temperature
11.
From kinetic theory, at the same temperature, lighter molecules have:
A.
Smaller rms speed than heavier molecules
B.
Greater rms speed than heavier molecules
C.
Zero rms speed
D.
The same rms speed as heavier molecules
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ANSWER :
B. Greater rms speed than heavier molecules
12.
The kinetic interpretation of temperature is described as 'fundamental' because it:
A.
Is only valid at high temperatures
B.
Was derived before the ideal gas law
C.
Relates a measurable macroscopic quantity (T) to an average microscopic molecular quantity
D.
Applies only to monatomic gases
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ANSWER :
C. Relates a measurable macroscopic quantity (T) to an average microscopic molecular quantity