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in Physics by (71.5k points)

S1 and S2 are two coherent sources of sound of frequency 110Hz each. They have no initial phase difference. The intensity at a point P due to S1 is 0 and due to S2 is 4 0 . If the velocity of sound is 330 m/s then the resultant intensity at P is

(A) I0 

 (B) 9I0 

 (C) 3I0 

 (D) 8I0   

1 Answer

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by (70.7k points)
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Best answer

Correct option (C) 3I0

Explanation:

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