Question

) Speed of light in glass 2×10⁸ ms‐¹ find the refractive index of glass

Answer 1

Answer

Ur answer is here my friend

speed of light in air  = 3 x 10 to the powe 8

spped of light in glass = 2 x 10 to the power 8

3 x 10 to the power 8/ 2 x 10 to the power 8

which gives = 1.5

This is ur answer my friend....