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The angle between one tube and normal is 400 ,the perfect reflection of sound will take place only when angle between two tubes is…………

Asked by srinivasan.bala 4th March 2015, 6:18 PM
Answered by Expert
Answer:

Hi,

For perfect reflection of sound, the angle of the incident sound wave and the reflected sound wave should be equal.

So if we consider the incident angle to be 40° then the angle of reflection will also be 40°.

Thus the angle between the two tubes will be 80°.

Answered by Expert 4th March 2015, 6:41 PM
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