Kinetic Interpretation of Temperature NEET Questions

Physics - Kinetic Theory of Gases

Kinetic Interpretation of Temperature MCQ Questions


13.
If the rms speed is 500 m/s at 300 K, what is it at 1200 K?
A.
1000 m/s
B.
250 m/s
C.
2000 m/s
D.
707 m/s
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ANSWER :
A. 1000 m/s
14.
Which gas has the lowest rms speed at the same temperature?
A.
Helium (He)
B.
Neon (Ne)
C.
Argon (Ar)
D.
Krypton (Kr)
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ANSWER :
D. Krypton (Kr)
15.
The kinetic theory of gases assumes collisions between molecules are:
A.
Perfectly elastic
B.
Perfectly inelastic
C.
Partially elastic
D.
Partially inelastic
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ANSWER :
A. Perfectly elastic
16.
What happens to the average kinetic energy if the temperature is halved?
A.
It remains the same
B.
It doubles
C.
It halves
D.
It quadruples
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ANSWER :
C. It halves
17.
Which of the following statements is correct according to the kinetic theory of gases?

NEET - 2019

A.
The average kinetic energy of a gas molecule is proportional to the square root of temperature
B.
The average kinetic energy of a gas molecule is proportional to absolute temperature
C.
The average kinetic energy of a gas molecule is independent of temperature
D.
The total kinetic energy of gas molecules depends only on pressure
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ANSWER :
B. The average kinetic energy of a gas molecule is proportional to absolute temperature
18.
The rms speed ratio of hydrogen to oxygen molecules at the same temperature is:
A.
1:1
B.
1:4
C.
4:1
D.
2:1
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ANSWER :
D. 2:1