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Mathematics, 31.01.2020 01:03 helo55

Measured in meters, the wavelength of red light is about 810^-7, and the wavelength of violet light is 410^-7. the wavelength of red light is how many times longer than the wavelength of violet light?

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Measured in meters, the wavelength of red light is about 8*10^-7, and the wavelength of violet light...

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