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Interference is produced with two cohere...

Interference is produced with two coherent sources of same intensity. If one of the sources is covered with a thin film so as to reduce the intensity of light coming out of it to half, then

A

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

B

Bright fringes will be more bright asnd the dark fringes will be more dark

C

Brigthness of both types of the fringes will remain the same

D

Dark region will spread completely

Text Solution

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The correct Answer is:
A
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