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10 questions from this quiz
Light travels at different speeds
How much light slows down vs vacuum
More slowly in the first material
n1sinθ1=n2sinθ2n_1 \sin\theta_1 = n_2 \sin\theta_2n1sinθ1=n2sinθ2
The normal (perpendicular line)
Towards the normal
Denser to less dense medium
sinθc=n2n1\sin\theta_c = \frac{n_2}{n_1}sinθc=n1n2
500 times less
28°28°28°
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