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At a moment in a progressive wave , the ...

At a moment in a progressive wave , the phase of a particle executing S. H. M `(pi)/(3)`. Then the phase of the particle 15 cm ahead and at the time `(T)/(2)` will be , if the wavelength is 60 cm

A

`(pi)/(2)`

B

`(2 pi)/(3)`

C

zero

D

`(5 pi)/(6)`

Text Solution

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The correct Answer is:
D
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