Question

Megaphone works on the principle of reflection of sound.

• A. True
• B. False

Answer 1

The correct option is A True

Loudspeaker, Megaphone and bulb horn are devices used to send the sound in desired direction without spreading the sound all around. These devices act on the laws of reflection of sound wave. Because of successive reflections, the amplitude of sound is added up which makes the sound louder.

so the answer is A.