In Fresnel's class of diffraction the

The essential conditions for observing Fresnel class of diffraction is

In the Fraunhofer class of diffraction

In the Fraunhofer class of diffraction

In Fresnel's diffraction, wavefront must be

In Fresnel's diffraction, source of light is located at_____ distance from the aperture (slit) [ Fill in the blank.]

In Fresnel diffraction, if the distance between the disc and the screen is decreased, the intensity of central bright spot will

What is the differnce between Fraunhofer and Fresnel type of diffraction.

In Fresnel.s diffraction wavefront must be