Question

what are the main causes of refraction?

Answer 1

Refraction is caused by light passing from one medium to another (from air to water, for example) and experiencing a change in ... A: The basic properties of light are its wavelength, frequency, energy and speed. so when light travels from rarer to dense it bends towards normal. when travels from denser to rarer it bends way from normal.

Hope it helps you my dear friend

Answer 2

Hey mate ☺️

Refraction is due to the change in the speed of light while entering a different medium.

For example if light is going from air to water , it's speed decreases so it bends towards the normal .

Rarer to Denser is away from the normal.

Hope it helps you ☺️✌️✌️