List of top Physics Questions on single slit diffraction asked in COMEDK UGET

In a single-slit diffraction experiment, the diffraction pattern is observed on a screen placed at a distance of $2\text{ m}$ from a slit of width $1\text{ mm}$. If the distance between the first dark fringe on either side of the central bright fringe is $2\text{ mm}$, what is the wavelength of the monochromatic light used in this experiment?

The wavelength of a monochromatic light which is used in single slit diffraction is \(800\,\text{nm}\). The width of the single slit for which the first minimum appears at \(\theta = 45^\circ\) on the screen will be:

An EM wave of frequency \( 5 \times 10^9 \, Hz \) falls normally on a rectangular slit of width \( 3 \, cm \). What is the total angular width of the central maxima?