The bending of light as it passes from one medium to another is called:

Refraction of light, as it enters from one transparent medium to another, is due to

Which of the following does not change when light travels from one medium to another?

The phenomenon of light bending around an obstacle is called:

Which one of the following statements is correct regarding the travel of a light beam from a rare to a dense medium?

A ray of light travelling from a rarer medium to a denser medium