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To make the central fringe at the cente...

To make the central fringe at the center O , a mica - sheet index 1.5 is introduced .Choose the correct statement (s)

A

The thickness of sheet is `2(sqrt(2)-1)` d infront of `S_(1)`

B

The thickness of sheet is `(sqrt(2)-1)` d infront of `S_(2)`

C

The thickness of sheet is `2sqrt(2)d` infront of `S_(1)`

D

The thickness of sheet is `(2sqrt(2)-1)` d front of `S_(1)`

Text Solution

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The correct Answer is:
A
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