Light is incident from glass medium to air medium. The variation of the angle of deviation δ with the angle of incidence i for 0<i<90∘ is shown. The refractive index of glass is 2√3. If the value of (x+y+z) is nπ6 then find value of n_______.
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Solution
From the figure, x is the minimum angle of incidence for total internal reflection. x=C=sin−1(√32)=π3.