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A beam of light is traveling in air and strikes a material. The angles of incidence and refraction are 47.1° and 35.3°, respectively. Obtain the speed of light in the material.
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- ?Lv 72 weeks agoFavorite Answer
Since air is optically close to "in vacuo," the light must slow down in this other medium; so
v = 3E8m/s * sin35.3º/sin47.1º = 2.37E8 m/s
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