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Light of wavelength 5000Å is incident ov...

Light of wavelength `5000Å` is incident over a slit of width `1 mu m`. The angular width of central maxima will be

A

`30^(@)`

B

`60^(@)`

C

`90^(@)`

D

`120^(@)`

Text Solution

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The correct Answer is:
B
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Knowledge Check

  • Light of wavelength 600 nm is incident normally on a slit of width 0.2 mm. The angular width of central maxima in the diffraction pattern is

    A
    `6xx10^(-3)` rad
    B
    `4xx10^(-3)` rad
    C
    `2.4xx10^(-3)` rad
    D
    `4.5xx10^(-3)` rad

  • The light of wavelength 6328Å is incident on a slit of width 0.2mm perpendicularly, the angular width of central maxima will be

    A
    (a) `0.36^@`
    B
    (b) `0.18^@`
    C
    (c) `0.72^@`
    D
    (d) `0.09^@`

  • Light of wavelength 6328 Å is incident normally on a slit of width 0.2 mm. Angular width of the central maximum on the screen will be :

    A
    `0.9^(@)`
    B
    `0.18^(@)`
    C
    `0.54^(@)`
    D
    `0.36^(@)`

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