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Quizzes #1601

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QUESTION #1601

Same medium, i=20°. Find r in air.

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1.8 sin 20° = sin r → 1.8 × 0.3420 = 0.6156 → r = sin⁻¹(0.6156) = 38.0°.…

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Full Explanation

1.8 sin 20° = sin r → 1.8 × 0.3420 = 0.6156 → r = sin⁻¹(0.6156) = 38.0°.

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