Question

On what principle megaphone works?​

Answer 1

Answer:

Megaphone works on the principle of multiple reflection of sound. A megaphone is designed to prevent the spreading of sound produced in all direction but to make the sound to propagate in a particular direction.

Answer 2

Megaphone works on the principle of multiple reflection of sound. A megaphone is designed to prevent the spreading of sound produced in all direction but to make the sound to propagate in a particular direction.