A girl is sitting in the middle of a park of dimension `12 m xx 12 m`. On the left side of
Channel: Doubtnut
Date: 26/07/2020

A girl is sitting in the middle of a park of dimension `12 m xx 12 m`. On the left side of it there is a building adjoining the park and on right side of the park, there is a road adjoining the park. A sound is produced on the road by a cracker. Is it possible for the girl to hear the echo of this sound ? Explain your answer.