Question
The sound emitted by the speaker in all directions at the rate of 65 W and the boy standing
at the distance of 4.5 m away from the speakers. Find the intensity received by the boy?
(a) 0.425 W/m
(b) 1.825 W/m
(c) 0.26 W/m2
(d) 2.78 W/m

Image Transcription

The sound emitted by the speaker in all directions at the rate of 65 W and the boy standing at the distance of 4.5 m away from the speakers. Find the intensity received by the boy? (a) 0.425 W/m (b) 1.825 W/m (c) 0.26 W/m2 (d) 2.78 W/m

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