A monochromatic beam of light is incident at 60° on one face of an equilateral prism of refractive index n and emerges from the opposite face making an angle θ(n) with the normal. For n = √3, θ = 60° and dθ/dn = m. The value of m is:
Physics · Geometrical optics · prism and thin prism
A monochromatic beam of light is incident at 60° on one face of an equilateral prism of refractive index n and emerges from the opposite face making an angle θ(n) with the normal. For n = √3, θ = 60° and dθ/dn = m. The value of m is:

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