For a ray of light refracted through a prism of angle `60^(@)`, the angle of incidence is equal to the angle of emergence, each equal to `45^(@)`. Fin
For a ray of light refracted through a prism of angle `60^(@)`, the angle of incidence is equal to the angle of emergence, each equal to `45^(@)`. Find the refractive index of the material of the prism.
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