How many wavelengths are contained in distance

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Q. A copper laboratory tank has a diameter of 0.48 m at 20degree celcius. what will be the new diameter if the tank is filled with 80degree celcius alcohol?

Q. Red light of wavelenghth .6 micrometer shines from a stoplight to your eye, a distance of 10 m. How many wavelengths are contained in this distance?

Reference no: EM1348762

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