Luis2000 Luis2000

24-03-2015
Mathematics

contestada

The speed of light is 3.010^8 m/s. Red light has a wavelength of 7 10^-7 m. What is its frequency?

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Hippalectryon Hippalectryon

24-03-2015

Frequency : f=c/lambda=3.0e8/7e-7=3/7*10^15 Hz~4.3*10^14 Hz=430THz

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