Diffraction pattern can be observed with

Diffraction pattern cannot be observed with :

In diffraction pattern

When a monochromatic light is passed around a file wire a diffraction pattern is observed. How the fringe width will change by increasing the diameter?

The diffraction effect can be observed in

The diffraction effect can be observed in

Fraunhoffer diffraction can be observed with

The phenomenon of diffraction can be observed, when the obstacle is

The first minimum of a single slit diffraction pattern is observed at angle 2^(@) with a light of wavelength 698 nm. The width of this slit is