Laws of Reflection and Refraction - Printable Version

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Laws of Reflection and Refraction - harshita - 06-05-2019

Laws of Reflection and Refraction
Law of reflection

θ1   = angle of incidence
θ’1  = angle of reflection.
Law of refraction (Snell’s Law) :

θ2 = angle of refraction;
μ1 = refractive index of medium 1
μ2 = refractive index of medium 2

I – Incident ray
R’ – Reflected ray
R- Refracted ray
N- Normal to the surface
I , R’ ,R ,N are in one plane


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