Question

If the speed of light in glass is 2x10⁸ ms and that in water is 2.25x10⁸ ms. Find the
absolute refractive index of glass and water.​

Answer 1

speed of light in water=2.25x10^8

nw=c/vw

nw=3×10^8/2.25x10^8

nw=1.33

speed of light in glass=2×10^8

ng=c/vg

ng=3×10^8/2×10^8

ng=1.5

I hope this helps ( ╹▽╹ )