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término		definición
reflect to through back light without absorption empezar lección		reflect
refract It is the bending of light in point of contact empezar lección		refract
Medium It's where light travels ex: air or water empezar lección		Medium
Angle of incidence The angle of that a line falling on a surface at the point of incidence empezar lección		Angle of incidence
Angle of refraction The angle between a refracted ray at the point of incidence to the interface at which refraction occurs empezar lección		Angle of refraction
Index of refraction A number of degrees to which a medium will bend light empezar lección		Index of refraction

Lens (WWK)