How do i solve this ? Speed of light in glass is 2X108m/s and its refractive index is 1.5. What is the speed of light in medium whose refractive index is 4/3. Share with your friends Share 0 Sejal Gupta answered this Solution : 0 View Full Answer Sarveshdeep Singh answered this V = C/U = 3 * 10 ^ 8 / 1.5 = 2 * 10 ^ 8 m/s 0