Does anybody know to solve this?

Describe the path of a ray that approaches a mirror parallel to the principal axis.

Based on the concept of the wave-like nature of light, huygens' theory of light postulates that the more light was "bent" by a substance the slower it would move while traversing across that substance. a) deflection b) interference c) refraction d) resonance

What is a possible result of higher air temperature caused by global warming