Question 1120546
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1)  To find the frequency, divide the speed of light by the given wavelength.


2)  With the given wavelength or with the calculated frequency go to this Wikipedia article 


        <A HREF=https://en.wikipedia.org/wiki/Visible_spectrum>https://en.wikipedia.org/wiki/Visible_spectrum</A>

        https://en.wikipedia.org/wiki/Visible_spectrum


    to determine the color.
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