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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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Statement-1 : In Young’s experiment, the fringe width for dark fringes is same as that for white fringes. Statement-2 : In Young’s double slit experiment performed with a source of white light, only black and bright fringes are observed.

In a Young's double-slit experiment the fringe width for dark fringes is different from fringe width for bright fringes.

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

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    In a Young's double-slit experiment performed with a source of white light, only black and white fringes are observed.

    In a Young's double slit experiment performed with a source of white light, only black and white fringes are observed.

    In Young's double slit experiment, for which colour is the fringe width maximum?

    If white light is used in Young's double slit experiment, then a few coloured fringes can be seen

    In a Young's double-slit experiment, the central bright fringe can be identified

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