a light ray is incident on the lower medium boundary at an angle if 45 with the normal. Which of the following statements is/are true?
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In figure, a light ray is incident on the lower medium boundary at an angle if 45 with the normal. Which of the following statements is/are true? a light ray is incident on the lower medium boundary at an angle if 45 with the normal. Which of the following statements is/are true? In figure October [...]