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In a Fraunhofer diffraction at single sl...

In a Fraunhofer diffraction at single slit of width d with incident light of wavelength 5500 Ã…, the first minimum is observed, at angle `30^(@)`. The first secondary maximum is observed at an angle `theta=`

A

`sin^-1(1/sqrt2)`

B

`sin^-1(1/4)`

C

`sin^-1(3/4)`

D

`sin^-1(sqrt3/2)`

Text Solution

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The correct Answer is:
C
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