AP Physics 2hardmcq1 pt
A light ray enters glass at 45° (n = 1.50). The refracted angle is about
A.28°
B.45°
C.60°
D.17°
Explanation
Core Concept
sinθ₂ = sin 45°/1.50 = 0.471, so θ₂ ≈ 28°.
Correct Answer
A28°
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