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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.

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Knowledge Check

  • If yellow light emitted by sodium lamp in Young's double slit experiment is replaced by monochromatic blue value of light of the same intensity then....

    A
    fringe width will decrease
    B
    fringe width will increase.
    C
    fringe width will remain unchanged
    D
    fringes will becomes less intense

  • In Young's double slit experiment, one of the slit is wider than other, so that the amplitude of the light from one slit is double of that from other slit. If I_(m) be the maximum intensity the resultant intensity I when they interface at phase difference phi is given by .......

    A
    `(I_(m))/(9)(4+5 cos phi)`
    B
    `(I_(m))/(3)(1+2cos^(2) (phi)/(2))`
    C
    `(I_(m))/(5)(1+4 cos^(2)(phi)/(2)`
    D
    `(I_(m))/(9)(1+8cos^(2)(phi/2))`

  • If the two slits in Young's double slit experiment have width ratio 1:25, then the ratio of the intensity of maxima and minima in the interference pattern will .....

    A
    `(4)/(9)`
    B
    `(9)/(4)`
    C
    `(121)/(49)`
    D
    `(49)/(121)`

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