BRAINCAKETotal Internal Reflection
When light travels from one medium to another a small amount of the light is reflected, and most is refracted. If light strikes a boundary when travelling from a more dense to a less dense mediumThe angle of refraction depends on the angle of incidence.
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Key terms in this lesson
- refraction
- The change in direction of a wave as it crosses a boundary between two media, caused by a change in wave speed.