Geometrical OpticsHard
Question
If √ î denotes a unit vector along incident light ray, 
a unit vector along refracted ray into a medium of refractive index μ and 
unit vector normal to boundary of medium directed towards incident vector normal to boundary of medium directed towards incident medium, then law of refraction is :-
a unit vector along refracted ray into a medium of refractive index μ and unit vector normal to boundary of medium directed towards incident vector normal to boundary of medium directed towards incident medium, then law of refraction is :-Options
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