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Two coherent monochromatic beams of int...

Two coherent monochromatic beams of intensities I and 4 I respectively are superposed. The maximum and minimum intensities in the resulting pattern are

A

5 I and 3 I

B

9 I and 3 I

C

4I and I

D

9 I and I

Text Solution

Verified by Experts

This option D is correct.
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Knowledge Check

  • Two waves of intensities I_(1) and I_(2) crosses a place in same direction and same time. The summation of maximum and minimum intensities is

    A
    `I_(2)+I_(2)`
    B
    `(sqrt(I_(1))+sqrtI_(2))^(2)`
    C
    `(sqrt(I_(1))-sqrtI_(2))^(2)`
    D
    `2(I_(1)+I_(2))`

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    2
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    4
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    9
    D
    18

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