Angular width of central maximum in diffraction at a single slit is……………. .

Options

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.

Answer

A