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Find the angle of deviation suffered by the light ray shown in figure (18-E10). The refractive index μ = 1.5 for the prism material.
Refractive index of prism = μ = 1.5
Angle of prism =A =
We know that;
Angle of minimum deviation is given by =
(For small angles
⇒
⇒
⇒
So, the angle of deviation =.