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A progressive wave is , y = 12 sin (5 t...

A progressive wave is , ` y = 12 sin (5 t - 4 x)`, where all the quantities are in SI unit. On this wave, how far away are the two points having a phase difference of `90^@`?

A

` (pi)/(2) cm `

B

` (pi)/(4) ` cm

C

` (pi)/(8) cm `

D

` (pi)/(16) cm `

Text Solution

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The correct Answer is:
D
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