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In terms of the ratio r of the amplitude...

In terms of the ratio r of the amplitudes of two coherent waves producing an interference pattern, the ratio of the intensity maximum to intensity minimum in the pattern is

A

`(r+1)/(r-1)`

B

`(r-1)/(r+1)`

C

`((r+1)/(r-1))^(2)`

D

`((r-1)/(r+1))^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • If the ratio of the intensities of two waves producing interference is 9:4, then the ratio of the resultant maximum and minimum intensities will be

    A
    `3:2`
    B
    `4:9`
    C
    `25:1`
    D
    `5:1`

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

    A
    `36:1`
    B
    `9:4`
    C
    `25:1`
    D
    `6:4`

  • If the ratio of the amplitudes of two waves is 4 : 3 , then the ratio of the maximu and minimum intensities is

    A
    `1 : 49`
    B
    `49 : 1`
    C
    `16 : 9`
    D
    `5 : 4`

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