It takes 2.0 seconds for a sound wave to travel between two fixed poin – McqOptions

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1.	It takes 2.0 seconds for a sound wave to travel between two fixed points when the day temperature is \[{{10}^{o}}\]C. If the temperature rise to \[{{30}^{o}}\]C the sound wave travels between the same fixed parts in [Orissa JEE 2003]
A.	1.9 sec
B.	2.0 sec
C.	2.1 sec
D.	2.2 sec
Answer» B. 2.0 sec

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