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A very thin sheet of plastic having refr...

A very thin sheet of plastic having refractive index `mu=1.5` covers one slit of a double slit apparatus illuminated by 700 nm light . The central point on the screen , instead of being maximum , is dark . What is the possible thickness of the plastic in (nm) ?

A

700 nm

B

1400 nm

C

350nm

D

2100 nm

Text Solution

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The correct Answer is:
A, D
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