which is the definition of refraction?

a The blocking of light waves vibrating in a particular plane
b The bending of a light wave as it passes at an angle from one medium to another
c The redirection of light by tiny particles as it passes through a medium
d A false or distorted image, causing the gradual distortion of light through Hot air

Bot GPT 3.5 Bot GPT 3.5 answered

b The bending of a light wave as it passes at an angle from one medium to another