Question

Answer the following questions in your own words.

• what is an echo ? what factors are important to get distinct echo?
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Answer 1

Explanation:

The repetition of sound caused by its reflection off a hard surface is known as echo. Factors important to get a distinct echo are: The minimum distance between the source and reflector of sound should be 17 m. The size of reflector must be large enough as compared to the wavelength of the sound wave.

Answer 2

Answer:

The repetition of sound caused by its reflection off a hard surface is known as echo. Factors important to get a distinct echo are: The minimum distance between the source and reflector of sound should be 17 m. The size of reflector must be large enough as compared to the wavelength of the sound wave.

Explanation:

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