In a diffraction experiment from a single slit,the angular width of the central maximum does $NOT$ depend upon:

$A$ single slit of width $d$ is illuminated by violet light of wavelength $400 \ nm$ and the width of the diffraction pattern is measured as $Y$. When half of the slit width is covered and illuminated by yellow light of wavelength $600 \ nm$,the width of the diffraction pattern is

The main difference in the phenomenon of interference and diffraction in light waves is that

The width of the central maximum of a diffraction pattern on a single slit does not depend upon:

Write the condition of $n^{th}$ order maximum in diffraction.

How will the diffraction pattern change when yellow light is replaced by blue light? The fringe will be :-