Physics, asked by mampukuttu, 10 months ago

What is meant by an echo? State the condition necessary for an echo to be heard distinctly.

Answers

Answered by SSen555
3

Answer:

Echo is the repetition of sound waves.

For an echo to occur, the sound producing source should be at least 17.2 metres away from any sound reflecting object.

Answered by shelloriser22
2

Answer:

Echo (echolocation) occurs when a sound wave is reflected back to the producer many times.

There should be a wall in front, both sides of the producer to hear it distinctly

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