A ray of light strikes a slab of glass (n=1.55) at an angle of incidence of 35 degrees. Find the angle of refraction in the glass.
Snell's Law:ni*sinӨi = nr*sineӨri = incidencer = refractionӨ = angleni = 1.00 (air)nr = 1.55 (glass)Өi = 35 degrees1.00*sin(35) = 1.55*sinӨDIVIDE both sides by 1.550.370 = sinӨINVERSE (arcsin) both sides to find Өarcsin(0.370) = ӨӨ = 21.72 degrees.
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