Solution of JEE Advanced 2021 Paper 1 Q. 12

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A wide slab consisting of two media of refractive indices n1 and n2 is placed in air as shown in the figure. A ray of light is incident from medium n1 to n2 at an angle theta, where sin theta is slightly larger than 1/n1. Take refractive index of air as q1. Which of the following statement/s is/are correct ?