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Statement I: In Young's experiment, the ...

Statement I: In Young's experiment, the fringe width for dark fringes is different from that of white fringes.
Statement II: In Young's doulbe-slit experiment, when the fringes are observed with a source of white light then only black and bright fringes are observed.

A

(a) If both the assertion and reason are true and reason explains the assertion assertion.

B

(b) If both assertion and reason are true but reason does not explain the assertion

C

(c) If assertion is true but reason is false.

D

(d) If assertion is false but reason is true.

Text Solution

Verified by Experts

The correct Answer is:
D
In Young's experiements fringe width for dark and white frings are same while in Young's double slit experiment when a white light as a source is used, the central fringe is white around which few coloured fringes are observed on either side.
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Knowledge Check

  • The fringe pattern observed on Young's double-slit experiment is

    A
    a diffraction pattern
    B
    an interference pattern
    C
    a combination of diffraction and interference pattern
    D
    neither a diffraction nor an interference pattern

  • In Young's double slit experiment, the interference bright fringes are of:

    A
    equal widths and unequal intensities
    B
    unequal width and equal intensities
    C
    equal widths and equal intensities
    D
    unequals widths and unequal intensities

  • In Young’s double slit experiment, the central bright fringe can be identified

    A
    By using white light instead of monochromatic light
    B
    As it is narrower than other bright fringes
    C
    As it is wider than other bright fringes
    D
    As it has a greater intensity than the other bright fringes