Question

The refractive index of glass is 1.50 and speed of light in air is 3×100000000. Calculate the speed of light in glass

Answer 1

Let refractive index of glass be n n=1.5 Speed of light=c=3×10^8 m/s Let velocity of light in glass be v We know, n=c/v So v=c/n V=3×10^8 / 1.5 =2×10^8 m/s

Answer 2

please see the attached document ..............
i hope it helps...........

812a0d37c4104ba8739b551c51f988d7.docx