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(a) Explain two features to distinguish ...

(a) Explain two features to distinguish between the interference pattern in Young's double slit experiment with the difference pattern obtained due to a single slit.
(b) A monochromatic light of wavelength `500 nm` is incident normally on a single slit of width 0.2 nm of produce a diffraction pattern. Find the angular width of the central maximum obtained on the screen.
Estimate the number of fringes obtained in Young's double slit experimental with fringe width `0.5 mm`, which can be accommodated within the region of total angular spread of the central maximum due to single slit.

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A monochromatic light of wavelength 500 nm is incident normally on a single slit of width 0.2 mm to produce a diffraction pattern. Find the angular width of central maximum obtained on the screen, 1 m away. Estimate the number of fringes obtained in YDSE with fringe width 0.5 mm , which can be accommodated within the region of total angular spread of the central maximum due to a single slit.

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

Light of wavelength 6000 Å is incident normally on single slit of width 0.23 mm. Find the angular spread between the central maxima and second-order maxima of diffraction pattern.

In a single slit diffraction pattern

In single slit diffraction pattern :

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

  • In single slit diffraction pattern :

    A
    Central fringe has negligible width than others
    B
    All fringes are of same width
    C
    Central fringe does not exist
    D
    None of the above

  • In a single slit diffraction pattern

    A
    Central fringe has negligible width than others
    B
    all fringes are of same width
    C
    Central fringe do not exist
    D
    central fringe is twice as wide as other maxima