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Three coherent waves having amplitudes 1...

Three coherent waves having amplitudes 12mm, 6mm and 4mm arrive at a given point with successive phase difference of `pi/2`. Then, the amplitude of the resultant wave is

A

`2 mu m `

B

`7 mu m `

C

`5 mu m`

D

1

Text Solution

Verified by Experts

The correct Answer is:
C
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