Physics

Rowan Osborne

14 September, 04:17

Which statement is true about the critical angle of a medium with respect to air? The refractive index of the medium is taken with respect to air. a. The critical angle increases as the refractive index increases. b. The critical angle decreases as the refractive index decreases. c. The critical angle does not change when there is a change in the refractive index. d. The critical angle is equal to the refractive index.