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Physics, 25.01.2020 05:31 bbyitskeke7160

A. a beam of light is incident from air on the surface of a liquid. if the angle of incidence is 26.7° and the angle of refraction is 18.3°, find the critical angle for the liquid when surrounded by air? b. a light ray, traveling in air, strikes the surface of abeaker of mineral oil at an angle of 37.5° with thenormal to the surface. the speed of light in mineral oil is 2.17 x10^8 m/s.. calculate the angle of refraction.

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