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Interference pattern can not be obtained...

Interference pattern can not be obtained when two different sources of same wavelength are used. Why?

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Knowledge Check

  • The intensity ratio of the maxima and minima in an interference pattern produced by two coherent sources of light is 9:1. The intensities of the used light sources are in ratio

    A
    `3:1`
    B
    `4:1`
    C
    `9:1`
    D
    `10:1`

  • The intensity ratio of the maxima and minima in an interference pattern produced by two coherent sources of light is 9:1. The intensities of the used light sources are in ratio

    A
    `3:1`
    B
    `4:1`
    C
    `9:1`
    D
    `10 : 1`

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    A : When the coherent sources are far apart, interference pattern cannot be detected. R : If two point coherent sources are infinitely close to each other, firinges appears very sharp.

    The interference pattern is obtained with two coherent light sources of intensity ration n. In the interference pattern, the ratio (I_(max)-I_(min))/(I_(max)+I_(min)) will be

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