A ray of light travels from substance X to substance Y. If the refracted light follows the path labeled B in the diagram, then what can be concluded about the two substances?

Answer 1

Since the direction of the light does not change from the incident ray to Ray B, the index of refraction of media X and Y must be the same:

Both substances have the same index of refraction n.

Answer 2

Does anyone have the unit test answers? That is correct by any chance?

Answer 3

For correct answers, go to Quizlet, and find WhatUpCJ1920 and find the Unit 7 Unit Test. All the questions are answered correctly!