Question

a person stands in between two walls and claps his hand he hears two successive echoes at the time interval of 0.25 seconds if the distance between two is D and speed of sound in air is V locate the position of the person​

Answer 1

Answer:

1/10*330m

The ear can distinctly hear two sounds separated by atleast 1/10 th of a second. And the speed of sound is 330m/se,c