Physics for IGCSE & O level - Rays And Waves (Section 4 - No. 20)
In what condition does total internal reflection occur?
When light passes from a less dense medium to a more dense medium
When light passes from a more dense medium to a less dense medium.
When light is absorbed by the medium.
When light is transmitted through a medium.
Giải thích
It happens when light passes from a more to a less dense medium.