A) 85 m/sec
B) 170 m/sec
C) 340 m/sec
D) 680 m/sec
Correct Answer: C
Solution :
In \[\frac{1}{4}\] second, round travels\[=85\,\,m\] \[\therefore \]In \[1\] second, sound travels\[=85\times 4=340\,\,m\].You need to login to perform this action.
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