RMS Speed of Gas Molecules NEET Questions

Physics - Kinetic Theory of Gases

RMS Speed of Gas Molecules MCQ Questions


7.
Which of the following factors affects the RMS speed of gas molecules?

NEET - 2021

A.
Pressure only
B.
Volume only
C.
Temperature only
D.
Both temperature and molar mass
šŸ˜‘ View Answer Rough Work Error
ANSWER :
C. Temperature only
8.
For two gases at the same temperature, the RMS speed is higher for:
A.
Heavier gas molecules
B.
Lighter gas molecules
C.
Gas molecules with higher kinetic energy
D.
Gas molecules with lower kinetic energy
šŸ˜‘ View Answer Rough Work Error
ANSWER :
B. Lighter gas molecules
9.
How does the RMS speed of gas molecules relate to the kinetic energy of the gas?
A.
It is inversely proportional to kinetic energy
B.
It is directly proportional to kinetic energy
C.
It is independent of kinetic energy
D.
It is directly proportional to potential energy
šŸ˜‘ View Answer Rough Work Error
ANSWER :
B. It is directly proportional to kinetic energy
10.
What is the formula for calculating the RMS speed of an ideal gas?
A.
v_rms = āˆš(3RT/M)
B.
v_rms = āˆš(2RT/M)
C.
v_rms = āˆš(RT/M)
D.
v_rms = āˆš(4RT/M)
šŸ˜‘ View Answer Rough Work Error
ANSWER :
A. v_rms = āˆš(3RT/M)
11.
The RMS speed of nitrogen molecules (Nā‚‚) at 300 K is approximately 517 m/s. What will be the RMS speed at 600 K?
A.
1034 m/s
B.
732 m/s
C.
517 m/s
D.
734 m/s
šŸ˜‘ View Answer Rough Work Error
ANSWER :
A. 1034 m/s
12.
If the RMS speed of gas molecules is 500 m/s at 300 K, what will it be at 1200 K?
A.
1000 m/s
B.
250 m/s
C.
2000 m/s
D.
707 m/s
šŸ˜‘ View Answer Rough Work Error
ANSWER :
A. 1000 m/s