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The angular width of the central maximum...

The angular width of the central maximum of the diffraction patternn in a single slit (of width a) experiment, with `lamda` as the wavelenth of light, is

A

`(3lamda)/(2a)`

B

`(lamda)/(2a)`

C

`(2lamda)/(a)`

D

`(lamda)/(a)`

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The correct Answer is:
C
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