Physics Honors - Chapter 14 Vocabulary
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6 Terms
Refraction
the bending of light as it travels from one medium to another
Index of Refraction
the ratio of the speed of light in a vacuum to the speed of light in a given transparent medium
Total Internal Reflection
the complete reflection that takes place within a substance when the angle of incidence of light striking the surface boundary is greater than the critical angle
Critical Angle
the angle of incidence at which the refracted light makes an angle of 90 degrees with the normal
Mirage
the bending of light rays in the atmosphere when there are large temperature differences between the ground and the air
Dispersion
the process of separating polychromatic light into its component wavelengths
