Question

Echoes are heard due to

• A. multiple reflection
• B. multiple refraction
• C. single refraction
• D. diffraction of sound

Answer 1

The correct option is A multiple reflection

When you shout near the mountain then you will hear your sound multiple times this is due to the reflection of sound waves from the mountains. This secondary sound is known as echo of sound.

Hence, Echoes can be heard due to multiple reflections.