A light ray enters a rectangular glass slab from air. At the first sur – InterviewSolution

1.	A light ray enters a rectangular glass slab from air. At the first surface of refraction, i is the angle of incidence and r is the angle of refraction. Which of the following statements is correct?
Answer» A light ray enters a rectangular glass slab from air. At the first surface of refraction, $i$ is the angle of incidence and $r$ is the angle of refraction. Which of the following statements is correct?

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