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Physics 1 Problem Solutions 271

# Physics 1 Problem Solutions 271 - Chapt 35 Geometrical...

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Chapt. 35 Geometrical Optics 267 035 qmult 01130 1 3 5 easy math: Snell’s law calculation 21. The index of refraction of air is 1 . 000293 (at 0 and 1 atm) and that of water is 1 . 333 (at 20 ). The dependency on temperature and pressure are relatively weak. If a light ray in air is incident on water with incident angle 60 , what is the angle of the refracted ray according to Snell’s law and the small-angle approximation to Snell’s law? a) 22 . 0 ; 22 . 5 . b) 22 . 0 ; 22 . 0 . c) 28 . 8 ; 30 . 0 . d) 45 . 0 ; 45 . 0 . e) 40 . 5 ; 45 . 0 . 035 qmult 01140 1 4 5 easy deducto-memory: small-angle apparent depth formula 22. “Let’s play Jeopardy ! For \$100, the answer is: d apparent d = n 1 n 2 , where n 1 is the index of refraction in the medium in which the ray is observed and n 2 is the index of refraction of the medium in which the ray originates. What is the , Alex?
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