What is Fresnel diffraction?

What is Fresnel distance?

What is diffraction of light? How does it differ from interference? What are fraunhoffer and Fresnel diffractions?

What is necessary for eash occurrence of Fresnel's diffraction?

What should be the nature of the incident wavefront in case of Fresnel's diffraction?

Among the following conditions which one is an essential condition for Fresnel diffraction?

What is meant by diffraction ?Explain diffraction at a single slit.

What is meant by diffraction of light?

What is meant by diffraction of light? Write the conditions for maxima and minima of diffraction pattern in terms of the wavelength of light used for the diffraction at single slịt.