Physics

Physics

Problem

Which one of the following correctly states the law of refraction for light passing from medium 1 (refractive index n1n_1) to medium 2 (refractive index n2n_2)? a) n1n2=sin⁡isin⁡r\dfrac{n_1}{n_2}=\dfrac{\sin i}{\sin r} b) n1sin⁡i=n2sin⁡rn_1\sin i = n_2\sin r c) n1cos⁡i=n2cos⁡rn_1\cos i = n_2\cos r d) n1sin⁡r=n2sin⁡in_1\sin r = n_2\sin i

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