Which two traits are characteristic of materials in which

Last updated: 7/27/2022

Which two traits are characteristic of materials in which light travels relatively fast? a. They have a low index of refraction value are NOT very optically dense. b. They have a high index of refraction value are very optically dense. c. They have a high index of refraction value are NOT very optically dense. d. They have a low index of refraction value are very optically dense.