Physics, 24.06.2019 18:40 kameronmouton
Athin oil slick (no=1.50) floats on water (n=1.33). when a beam of white light strikes this film at normal incidence from air, the only enhanced reflected colors are red (650 nm) and violet (390 nm). from this information, deduce the (minimum) thickness t of the oil slick.
Answers: 3
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1) what is the power in horsepower of a 100 watt light bulb? what is the power in kilowatts of a 200 horsepower engine? 2) if a cars engine is providing 3000 n of force to keep the car moving at 5 m/s, what is the engine’s effective power? 3) how many gallons of water will be pumped from a well 30 feet deep by a 1/2 hp engine in 1 minute? (1 gallon weighs 8.34 pounds)
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Athin oil slick (no=1.50) floats on water (n=1.33). when a beam of white light strikes this film at...
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