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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

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The correct Answer is:
C
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Knowledge Check

  • Three waves of equal frequencies having amplitudes 10 mu m, 4mu m and 7 mum arrive at a given point with successive phase difference of pi//2 . The amplitude of the resulting wave in mu m is given by

    A
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  • Three waves producing displacement in the same direction of same frequency and of amplitudes 10etam, 4etam" and "7eta m arrive at a point with successive phase difference of pi//2 . The amplitude of the resultant wave is :--

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