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In YDSE, water is filled in the space be...

In YDSE, water is filled in the space between the slits and screen. Then

A

fringe pattern shifs upwards but fringe width remainsunchanged

B

fringe width decrease and central bright fring shifts upward.

C

fringe width increaes and central bright fring does not shifts.

D

fringe width decrease and central bright fring doesnot shifts

Text Solution

Verified by Experts

The correct Answer is:
D

optical path diff.=`(mu_(2)x)/(mu_(1))`
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