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In a Fraunhoffer diffraction experiment ...

In a Fraunhoffer diffraction experiment at a single slit using light of wavelength 400 nm, the first minimum is formed at an angle of `30^(@)`. Then the direction `theta` of the first secondary maximum is

A

`sin^(-1)(3//2)`

B

`sin^(-1)(3//4)`

C

`cos^(-1)(3//4)`

D

`cos^(-1)(3//2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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