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In a Fraunhofer diffraction experiment a...

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

A

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

B

`60^@`

C

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

D

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

Text Solution

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The correct Answer is:
C
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