JEE AdvancedPhysicsGeometrical OpticsNumerical+4 / −1
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 (n) with the normal (see figure). For n = the value of is 60 and . The value of m is 

Numerical answer
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