# One light beam has wavelength, λ1, and frequency, f1. Another light beam has wavelength, λ2, and frequency, f2. Write a proportion that shows how the ratio of the wavelengths of these two light beams is related to the ratio of their frequencies.

(1) Answers

[latex]\frac{\lambda{1}}{\lambda{2}}=\frac{f2}{f1}[/latex]

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