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The equation of a sound wave travelling ...

The equation of a sound wave travelling along negative X direction `y = 0.04 sin pi(500t +1.5x)` meter. The shortest distance between two particles having a phase difference of `pi` at the same instant is

A

0.33m.

B

0.66m.

C

0.75 m.

D

0.375 m.

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The correct Answer is:
B
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