A man claps his hands near a mountain and hears the echo in 6 sec. If – McqOptions

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1.	A man claps his hands near a mountain and hears the echo in 6 sec. If the distance of the mountain in 990 m. What is the speed of the sound?
A.	330m/s
B.	340 m/s
C.	325 m/s
D.	350 m/s
Answer» B. 340 m/s

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