Total Internal Reflection flash cards

Set: Total Internal Reflection

Term	Definition
Critical Angle is	angle of incidence leading to 90 degree angle of refraction
when does Total I.R. occur	. light moving from higher to lower optical density . incident angle greater than critical angle
what notably happens when T.R.I happens	reflected angle equals incident angle
how does light bend if incident angle is less than critical	away from the normal
when incident angle is a little less than critical angle, angle of refraction is	a little less than 90

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