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In Young's double slit experiment the ra...

In Young's double slit experiment the ratio of intensitities of bright and dark fringes is 9 this means that

A

the intensities at the screen due to the two slits are `5` and `4` units

B

the intensities at the screen due to the two slits are `4` and `1` units

C

the amplitude ratio of the individual waves is `3`

D

the amplitude ratio of the individual waves is `2`

Text Solution

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The correct Answer is:
B, D
N//a
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Knowledge Check

  • In Young’s double slit experiment, the intensity of light coming from the first slit is double the intensity from the second slit. The ratio of the maximum intensity to the minimum intensity on the interference fringe pattern observed is

    A
    `2:1`
    B
    `34:1`
    C
    `9:1`
    D
    `8:1`

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    Assertion:- When a width of one of the slits of Young's double slit experiment is double that of the other the brighter frings are nine times brighter then the dark fringes. Reason:- The amplitudes of the wave is proportional to the width of the slit.

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