1.

Oxygen is 16 times heavier than hydrogen. Equal volumes of hydrogen and oxygen are mixed. The ratio of speed of sound in the mixture to that in hydrogen is         [KCET 2004]

A.            \[\sqrt{\frac{1}{8}}\]        
B.            \[\sqrt{\frac{32}{17}}\]
C.            \[\sqrt{8}\]                           
D.            \[\sqrt{\frac{2}{17}}\]
Answer» B.            \[\sqrt{\frac{32}{17}}\]


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