Diffraction lecture by Sonu Agarwal, Biyani group of colleges

This is a part of lecture presented by SONU AGARWAL,Asst.proffesor of biyani girls college.The video is about diffraction,which is a optical phenomenon which means bending of light after passing through a small aperture. Diffraction are two types : Fresnel and franhoufer diffraction. Franhoufer diffraction by a single slit is also described.