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A flake of glass (refractive index 1.5) ...

A flake of glass (refractive index 1.5) is placed over one of the openings of a double slit apparatus. The interference pattern displaces itself through seven succesive maxima towards the side where the flake is placed. If wavelength of the diffracted light is `lambda=600nm`, then the thickness of

A

2100 nm

B

4200 nm

C

8400 nm

D

none of these

Text Solution

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The correct Answer is:
C
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