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. 24  
D. 2.2 sec
Answer» B. 2.0 sec


Discussion

No Comment Found

Related MCQs