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

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