Light, incident on the face AB, of an equilateral prism (made from a material of refractive index μ ), undergoes total internal reflection at the base BC and then falls on the other face AC of the prism. The angle of emergence, from the face AC, would equal
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(1) \(sin^{-1}\left[μsin(\frac{\pi}{3}-sin^{-1}(\frac{1}{μ}))\right]\)
(2) \(sin^{-1}\left[μsin(\frac{\pi}{3}+sin^{-1}(\frac{1}{μ}))\right]\)
(3) \(sin^{-1}\left[sin(\frac{\pi}{3}+sin^{-1}(\frac{1}{μ}))\right]\)
(4) \(sin^{-1}\left[sin(\frac{\pi}{3}-sin^{-1}(\frac{1}{μ}))\right]\)