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In order to avoid overlapping of interfe...

In order to avoid overlapping of interference frings and their obliteration (destruction) the slit width must be

A

greater than fringe width

B

greater than distance between two slits

C

equal to distance between two slits

D

just less than fringe width

Text Solution

Verified by Experts

The correct Answer is:
D
If the slite width is large then it consist of large number of point sources. Each parth gives an interference pattern which ovelaps and the fringes gets oblierated. In order. To avoid. This the slite width must be smaller than fringe width.
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