Kinetic Interpretation of Temperature NEET Questions

Physics - Kinetic Theory of Gases

Kinetic Interpretation of Temperature MCQ Questions


7.
By what factor does the rms speed change if the temperature is increased from 100 K to 400 K?
A.
2
B.
4
C.
√2
D.
1/2
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ANSWER :
C. √2
8.
According to the kinetic theory, which molecules move faster at the same temperature?
A.
All molecules have the same speed
B.
Lighter molecules move faster
C.
Heavier molecules move faster
D.
Molecules with high potential energy move faster
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ANSWER :
B. Lighter molecules move faster
9.
What is the effect on the average kinetic energy if the temperature increases by 50%?
A.
Increases by 50%
B.
Increases by 100%
C.
Increases by 200%
D.
Remains unchanged
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ANSWER :
A. Increases by 50%
10.
The temperature at which the average kinetic energy of gas molecules is zero is:
A.
0°C
B.
273°C
C.
0 K
D.
-273 K
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ANSWER :
C. 0 K
11.
According to the kinetic theory of gases, the average kinetic energy of a gas molecule depends on

NEET - 2017

A.
Pressure only
B.
Temperature only
C.
Volume only
D.
Both pressure and volume
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ANSWER :
B. Temperature only
12.
What is directly proportional to the absolute temperature of an ideal gas?
A.
Average momentum of molecules
B.
Average kinetic energy of molecules
C.
Average potential energy of molecules
D.
Average speed of molecules
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ANSWER :
B. Average kinetic energy of molecules