A) 28 m
B) 18 m
C) 19 m
D) 165 m
Correct Answer: D
Solution :
Distance of source from reflecting surface \[d=\frac{\upsilon t}{2}\] where \[\upsilon =\] velocity of sound, t = time of echo \[d=\frac{330\times 1}{2}=165\,m\]You need to login to perform this action.
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