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Two waves have their amplitudes in the r...

Two waves have their amplitudes in the ratio `1 : 9` . The maximum and minimum intensities when they interfere are in the ratio

A

`(25)/(16)`

B

`(16)/(26)`

C

`(1)/(9)`

D

`(9)/(1)`

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Light waves producing interference have their amplitudes in the ratio 3:2 . The intensity ratio of maximum and minimum interference fringes is

    A
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    B
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    `49:1`
    D
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  • Interference fringes are obtained due to interference of waves from two coherent sources of light having amplitude a_1 and 2a_1 . The ratio of maximum and minimum intensities in the interference pattern will be

    A
    2
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    3
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    D
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