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Physics Optics

reflection, refraction, diffraction, dispersion

TermDefinition
Critical angle minimum angle of incidence for which total internal reflection occurs
Incident angle has to be greater than critical angle
Optical Density property of a transparent medium that describes the speed at which light travels through it.
Refraction Bending of light as it enters a new material
Dispersion process of separating poly chromatic (multi color) light into its component wavelength
Index of refraction based on speed of light in the medium
Refracted angle the angle between a refracted ray and the normal drawn at the point of incidence to the interface at which refraction occurs.
Snell's law (law of refraction) When light travels from one medium to another
Which color of light will undergo the most amount of diffraction? red
The reason light under goes refraction as it changes materials is light changes speed
bending of light around a barrier is diffraction
Mirages and Rainbows are both a product of refraction
As light travels from a low density material to a high density material the light wave __________ slows down, bend towards (smaller angle)
As light passes through materials of different densities what happens? light refracts
Using a prism to separate white light into its full spectrum of colors by wavelength is known as dispersion
In order for total internal reflection to happen the index of refraction for the incident material must be ___________ the index of refraction of the refracted material. larger
Which color of light will undergo the most amount of refraction? violet
Which color of light will disperse the least in a prism? red
concave correct's the vision of a person whose eye is too short
convex correct's the vision of a person whose eye is too long
Created by: AK88
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