Question

12. A girl is sitting in the middle of a park of
dimension 12 m x 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.​

Answer 1

Yes, because sound waves travel fast and can be listened from very far.