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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > Figure shows a triangular prism of refracting angle 90. A ray of light incident at face AB at an angle theta 1 refracts at point Q with an angle refraction 90. (a) What is the refractive index of the prism in terms of theta 1?

Figure shows a triangular prism of refracting angle 90. A ray of light incident at face AB at an angle theta 1 refracts at point Q with an angle refraction 90. (a) What is the refractive index of the prism in terms of theta 1?

refracting angle A so that there is no emergent ray irrespective of the angle of incidence? What should be the minimum value of refractive index of a prism