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Bwapples5704
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 Posted: Tue Mar 15, 2011 9:25 am Post subject: problem 8, exam 8, physics section, snell's law |
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| I don't understand why they assigned the sin90 to the angle of incidence and what tips in the problem were we to denote that one of the angles to input in sine of snell's law was 90? |
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