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Outstanding ! Life for me has become Easier , better . Don't have to spend frustrating hours on my textbook, its so boring compared to what I see here. I want more topics to be covered.
Reeti Moni, North Lakhimpur College, Assam
"Thanks so much, it is much clearer now" ......regarding Fresnel Prism explanation video
Light Interference - Fresnel Biprism - Part 2