question_answer

The speed of sound in oxygen \[({{O}_{2}})\] at a certain temperature is 460 \[m{{s}^{-1}}\]. The speed of sound in helium (He) at the same temperature will be (assume both gases to be ideal)  [AIEEE 2008]

A)  650 \[m{{s}^{-1}}\]   

B)       330 \[m{{s}^{-1}}\]

C)  460 \[m{{s}^{-1}}\]

D)       500 \[m{{s}^{-1}}\]

Correct Answer: C

Solution :

[d]

(i);

(ii)