Physics, asked by Deppak2436, 1 year ago

state 3 conditions for echo to be heard .

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Answered by gunishasingh17

0

(a) minimum distance between the source of the sound and the reflector in air should be 17m

(b) as compared to the wavelength of the sound wave,size of the reflector must be large enough for an echo to take place

(c) the sound produced by the person should be such that it is sufficiently intense to be audible

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