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In a double slit experiment, when light ...

In a double slit experiment, when light of wavelength 400 nm was used, the angular width of the first minima formed on a screen placed 1 m away, was found to be `0.2^(@)`, what will be the angular width of the first minima, if the entire experimental apparatus is immersed in water ? `(mu_("water")=4//3)`

A

`0.266^(@)`

B

`0.15^(@)`

C

`0.05^(@)`

D

`0.1^(@)`

Text Solution

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The correct Answer is:
B
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