Physics, asked by nidhigulia5226, 9 months ago

Why for hearing an echo the reflector should be large enough comparison to wavelength of sound

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Answered by InFocus

0

Answer:

This is because for reflection to take place, at first place, the reflector size must be greater than the wavelength of the incident wave. If the incident wave wavelength is comparable to the reflector size, the sound will bend around the corners of the reflector, and no appreciable reflection will take place.

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