The ratio of the speed of sound in nitrogen gas to that in the helium

1.	The ratio of the speed of sound in nitrogen gas to that in the helium gas at 300 K is
A.	‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ(2/7)
B.	‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ(1/7)
C.	‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ3/5
D.	‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ6/5
Answer» D. ‚Äö√Ñ√∂‚àö‚Ä†‚àö‚àÇ6/5

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The ratio of the speed of sound in nitrogen gas to that in the helium gas at 300 K is

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