Click below the link for Diffraction Class Lecture II
Click below for Diffraction Class Lecture - I
H C Verma
https://youtu.be/RAanXSbhwUM
You can access the lecture note also by clicking on the following link
https://online.fliphtml5.com/eqvox/rxrd/
You can get the lecture file by clicking on link provided below
https://fliphtml5.com/eqvox/arlu
You can access the lecture note on clicking below
https://online.fliphtml5.com/eqvox/nsqi/
You can access the Lecture Note by clicking the link provided below
https://online.fliphtml5.com/eqvox/hahu/