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Lesson 1 Light: Reflection and Refraction (in Hindi)
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Light (Reflection and Rrfraction ) class x cbse

Dr Pratibha Gupta
My name is Dr.pratibha Gupta .I am a teacher . My experience has been in teaching for math and science subject for several years in Delhi.

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U
Unacademy user
Thankyou Roman Sir. Very helpful.