Question

main difference between echo and reverberation

Answer 1

=Echo is a single reflection of a sound wave off a surface. Reverberation is the sound or the pattern created by the superposition of such echoes.
= An echo can be heard both in open and closed spaces. Reverberation is usually experienced in closed spaces with multiple reflecting objects.

It's very gd question of class 9 th.

Hope it's helpful to u.

Answer 2

echo is produced when a sound is reflected back by hitting a rigid smooth object
when multiple echoes are heard its know as reverberation