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Assertion: In Young's double slit experi...

Assertion: In Young's double slit experiment using white light, the central fringe is white, the violet coloured fringe will be seen nearest to the central fringe.
Reason: Red coloured fringe will be seen near central fringe.

A

(a) If both assertion and reason are true and reason is the correct explanation of assertion.

B

(b) If both assertion and reason are true but reason is not the correct explanation of assertion.

C

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

D

(d) If assertion and reason both are false.

Text Solution

Verified by Experts

The correct Answer is:
C
If a monochromatic light source is replaced by a white light source in Young's interference experiment, then the central fringe is white fringe and the fringe next to central fringe will be violet.
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Knowledge Check

  • 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

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

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

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

    A
    Red
    B
    Green
    C
    Blue
    D
    Yellow

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