Word Explorer
Critical angle
The smallest angle of incidence for which light is totally reflected from a boundary between one medium and a less refractive one
📖 Definitions of "Critical angle"
noun
- 1
The smallest angle of incidence for which light is totally reflected from a boundary between one medium and a less refractive one
- 2
(aerodynamics) The smallest angle of attack of an airfoil at which lift suddenly decreases and drag suddenly increases
- 3
The smallest angle of a ramp or stairs considered uncomfortable or unsafe
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