The speed of sound in an ideal gas at a given temperature 
is 
. Then rms speed of gas molecules at that temperature is 
. The ratio of the velocities 
and 
for helium and oxygen gases are 
and 
respectively. Then 
is equal to
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
: Speed of sound at a given temperature 
is,
rms speed of gas molecules at temperature is,
Karnataka-CET Chapterwise Solutions Ehysics
For Helium,
For Oxygen,
. Now,
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