Q. 55.0( 1 Vote )

Write true of false for the following statements:

The minimum distance between a source and the reflector of sound should be 34 m.

Answer :



The total distance covered by the sound from the point of generation and reflecting surface and back should be at least (344 m/s)x0.1 s = 34.4 m. Thus, the minimum distance between point of generation and reflecting surface should be half of it i.e. 17.2 m.

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State the laws of reflection of sound.

Lakhmir Singh & Manjit Kaur - Physics