Refractive Index || in Hindi for Class 10

In this Physics video in Hindi for Class 10 we explained, with demonstration, what refractive index is. We discussed on the relative refractive index and the absolute refractive index. 0:00 Introduction 0:50 Some basic terms associated with refraction 2:27 Refractive index 7:40 Refractive Index of water with respect to air 9:40 Refractive Index of air with respect to water 12:17 Absolute refractive index 14:16 1st Question on refractive index 15:06 Refractive Index of glass with respect to water 20:27 2nd Question on refractive index