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10 January, 15:36

I'm big boi confused.

A beam of light traveling in air enters a substance. If the angle of incidence is 35 ∘ and the angle of refraction is 25 ∘, what is the index of refraction of the substance?

n1sin (theta) 1=n2sin (theta) 2 So would it be like 1.008*sin (35) = n2*sin (25) ?

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  1. 10 January, 15:42
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    Correct. Air has an index of refraction of approximately 1, and the angle of incidence is 35°. The substance has an unknown index of refraction n, and the angle of refraction is 25°.

    1 sin 35° = n sin 25°

    n = 1.36
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