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(a) A narrow beam of light containing red (660 nm) and green (550 nm) wavelengths goes from polystyrene to air, striking the

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Answer #1

# f = 46 cm u-13.1 cm d=VE? f d lens formula st 1 + I-L 46 1311 te d = v. Id = -18.4 cm -18.316 cui -18.316 = 114 ma u -13.1

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