Spherical mirrors, reflection, and refraction
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18 Terms
Virtual image
The image formed when light only appears to diverge from point of image
Parabolic mirror
Mirror shaped like a parabola
Concave
________________ parabolic mirror
Convex
_______________ parabolic mirror
Real image
Image formed at point where rays actually meet
Plane mirror
Flat mirror
Specular
_____________ reflection
Diffuse
______________ reflection
Incident ray
Light ray that approaches surface
Reflected ray
Light ray that bounces off surface
Refraction
The bending of a wave as it passes at an angle from one medium to another
n1Sinθ1=n2Sinθ2
Snells law
Refraction index value
( n1Sinθ1=n2Sinθ2 )
n
C/V
(Refraction index)
n=
Speed of light
( n=CV )
C
Velocity (of light in medium)
( n=CV )
V
Total internal reflection
Complete reflection of light by the inside surface of a medium
Dispersion
The separation of light into its component wavelengths
Note 
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