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7 July, 21:43

The wavelength of light is 310. nm; calculate the frequency.

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  1. 7 July, 23:54
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    Frequency = velocity of propagation / wavelength.

    For light, we assume it is moving in a vacuum, so vp is 3e8 m/s. The wavelength of 310nm is 310e-9 meters. Then we plug the numbers in, and we get (3e8 m/s) / (310e-9 m) = 967.742e12 Hz because 1/s is the same as cycles/sec, which is a Hertz.
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