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Posted: **Thu Jul 14, 2022 7:55 pm**

: A Light Beam Is Traveling Through An Unknown Substance When It Strikes A Boundary Between That Substance And The Air N 1 (73.73 KiB) Viewed 48 times

A light beam is traveling through an unknown substance. When it strikes a boundary between that substance and the air (nair ≈1), the angle of reflection is 34.0∘ and the angle of refraction is 40.0∘. What is the index of refraction n of the substance?