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YDSE Problems II

In Young's in...

Question

In Young's interference experiment with one source and two slits, one slit is covered with a cellophone of sheet which absorbs half the intensity. Then

A

No fringes are obtained

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B

Bright fringes will be brighter and dark fringes will be darker

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C

All fringes will be darker

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D

Bright fringes will be less bright and dark fringes will be less dark

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Solution

The correct option is A No fringes are obtained
In young's double-slit experiment, one of the slits is so painted that the intensity of light emitted from it is half of that of the emitted from the other slit. Then, dark fringes will become less dark and bright fringes will become less bright.
The correct option is D.

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