Velocity of light in air is 3 10^8 and refractive index July 8, 2019 16 32 64 128 Velocity of light in air is 3 10 8 and refractive index Velocity of light in air is 3 10 8 and refractive index of water is 1.33 Speed of light constant V = i x r I = v/r Refractive index