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If one of the slit of a standard Young's...

If one of the slit of a standard Young's double slit experiment is covered by a thin parallel sided glass slab so that it transmits only one-half the light intensity of the other, then

A

The fringe pattern will get shifted towards the covered slit

B

The fringe pattern will get shifted away from the covered slit

C

The bright fringes will become less bright and the dark ones will becomes more bright

D

The fringe width will remain unchanged

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • If one of the slits of a standard Young's double-slit exper- iment is covered by a thin parallel sided glass slab so that it transmits only one-half the light intensity of the other, then

    A
    The fringe paliern will get shifted toward the covered slit
    B
    The fringe pattern will get shifted away from the covered slit
    C
    The bright fringes will become less bright and the dark ones will become more bright
    D
    The fringe width will remain unchanged

  • If one of the slits of a standard Young's double-slit exper- iment apparatus is covered by a thin parallel sided glass slab so that it transmits only one-half of the light intensity of the other, then

    A
    The fringe pattern will get shifted toward the covered slit
    B
    The fringe pattern will get shifted away from the covered slit
    C
    The bright fringes will be less bright, and the dark ones will be more bright
    D
    The fringe width will remain unchanged

  • If white light is used in a Young's double slit experiment,

    A
    bright white fringe is formed at the centre of the screen
    B
    fringes of different colours are observed clearly only in the first order
    C
    the first -order violet fringes are closer to the centre of the screen than the first -order red fringes
    D
    the first -order red fringes are closer to the centre of the screen than the first -order violet fringes

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