KCET 2007 Physics Solved Paper

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Question : 57 of 60

Marks: +1, -0

The ratio of the velocity of sound in hydrogen (r=‌

7

5

) to that in helium (r=‌

5

3

) at the same temperature is

‌
√21
5
‌
√42
5
√‌
5
21
√‌
5
42

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