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If we observe the single slit Fraunhofer...

If we observe the single slit Fraunhofer diffraction with wavelength `lambda` and slit width d, the width of the central maxima is `2theta`. On decreasing the slit width for the same `lambda`

A

`theta` increases

B

`theta` remains unchanged

C

`theta` decreases

D

`theta` increases or decreases depending on the intensity of light

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The correct Answer is:
B
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