Question

Bhai log koi btao ki refractive index kya hota hai.
Ar isme sine I /sine r me sine kyo use krte hai tan cos kyo nhi??

Answer 1

refractive index of material is similar to density of material where it shows the material's refracting power . sin ki islie use karthi kyo ki derivatiob karrte wakt angle ko consider kar ne ke liye sin hi sahi tha