Light goes from vacuum to a medium with refractive index 1.5. If incidence angle is such that $\sin\theta_1 = 0.9$, then $10\sin\theta_2$ equals:
Answer (integer)
6
Solution
$\sin\theta_2 = \sin\theta_1/n = 0.9/1.5 = 0.6$; $10\sin\theta_2 = 6$.
About this question
Subject: Physics · Chapter: Optics · Topic: Refraction and Snell's Law
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