Refractive index of glass with respect to air is 1.65 July 8, 2019 16 32 64 128 Refractive index of glass with respect to air is 1.65 and that of water with respect to air is 1.33 The refractive index of glass is 1.65 and that for alcohol is 1.36 with respect to air Refractive index of air Refractive index Refraction of light