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Sapan Kushwaha, 1st Year student, Jabalpur Engineering College, Madhya Pradesh
"Thanks" for the video "Fresnel Biprism- part 2"
Reeti Moni, North Lakhimpur College, Assam
"Thanks so much, it is much clearer now" ......regarding Fresnel Prism explanation video
Pooja Singh, DDU UNiversity, Gorakhpur
"Thanks for the video explaining Light waves-Coherent. This type of video very helpful for me"