First secondary minima in case of diffraction due to single slit is obtained at a distance x from central maximum position, then

What is the condition for first minima in case of diffraction due to a single slit ?

What is the condition for first minimum in case of diffraction due to single slit?

Direction of the first secondary maximum in the Fraunhofer diffraction pattern at a single slit is given by (a is the width of the slit)

Direction of the first secondary maximum in the Fraunhofer diffraction pattern at a single slit is given by (a is the width of the slit)

Direction of the first secondary maximum in the Fraunhofer diffraction pattern at a single slit is given by (a is the width of the slit)

In the case of diffraction pattern due to a single slit angular width of central max can be increased by

Central fringe obtained in diffraction pattern due to a single slit-