Optical Properties

[@naturelover78]

very well explained thanks sir

[@nomipakistanli]

many many thanks for compact and easily understood lessons...

[@mohitdahiya9115]

Thank you, Sir, Very good detail is summarised in this lecture.

[@masoomaibrahim3893]

Thanks for very clear lecture!

[@adamslieman9845]

to the best you most give us any video's by arabic and English

[@BC-yr6eg]

👍👍👍👍

[@sachinsap13]

Ekdam bakwas, asan bhasha mai sanjana sikho pahale