What is Echo and reflection of sound.
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Echo :- a sound that is repeated as it is sent back off a surface such as the wall of a tunnel
Reflection of Sound. ... Bouncing back of sound wave from the surface of solid or liquid is called reflection of sound. Reflection of sound follows the Laws of Reflection as light wave does. This means the angle of incident wave and reflected wave to the normal are equal.
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An echo is a sound that is repeated because the sound waves are reflected back.
Reflection of sound is the return of sound waves from surfaces on which they are incident
Explanation:
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