DRPZ9940 DRPZ9940 24-01-2024 Mathematics contestada If the index of refraction of a medium is 1.5, determine the speed of light in that medium. a-4.2 x 108m/s b-2.5 x 10.8 m/s c-2.0 x 10m/s d-5.0 x 10.9 m/s