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After a hard rain, you walk out into the parking lot and notice an oil sheen on top of a puddle of water.Ã‚ when viewed from directly above, the light reflected off the puddle is a bright red which you estimate to be a wavelength of 690nm.Ã‚ the index of refraction of water is n=1.33 and the index of refraction of the oil is n=1.47.

What wavelength of light is transmitted into the water most effectively?

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