A man is standing not exactly at the centre, in between two parallel walls separated by a distance 990 m - Science - Sound

Question

A man is standing not exactly at the centre, in between two
parallel walls separated by a distance 990 m He fires a gun and
hears the first echo after 2 s, the time taken to hear 3rd echo
after firing is __________ s, (take velocity of sound in air 330
ms–1)
(a) 5 (b) 6 (c) 7 (d) 8

Pintu B. · Accepted Answer

Dear Student ,
Here is a link which will help you to solve this question with
proper explanation

https://www meritnation
com/ask-answer/question/a-man-stationed-between-two-parallel-cliffs-fires-a-gun/sound/6893054

Regards

A man is standing not exactly at the centre, in between two parallel walls separated by a distance 990 m. He fires a gun and hears the first echo after 2 s, the time taken to hear 3rd echo after firing is __________ s, (take velocity of sound in air 330 ms–1) (a) 5 (b) 6 (c) 7 (d) 8

A man is standing not exactly at the centre, in between two parallel walls separated by a distance 990 m. He fires a gun and hears the first echo after 2 s, the time taken to hear 3rd echo after firing is __________ s, (take velocity of sound in air 330 ms^–1)
(a) 5 (b) 6 (c) 7 (d) 8