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In the experiment of diffraction at a single slit, if the slit width is decreased, the width of the central maximum

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By Expert Faculty of Sri Chaitanya
a
Increases in both Fresnel and Fraunhofer diffraction
b
Decreases both in Fresnal and Fraunhofer diffraction
c
Increases in Fresnel diffraction but decreases in Fraunhofer diffraction
d
Decreases in Fresnel diffraction but increases is Fraunofer diffraction
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detailed solution

Correct option is A

Width of central maximum inversely proportional to width of slit.

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