Physics question?

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1 Answer
May 2, 2018

#c = f lambda# where #c# is the velocity of the wave, here the speed of light, #f# is the frequency and #lambda# is the wavelength.

#lambda = c/f = { 299 792 458 text{ m/s} } / {1.40 times 10^9 text{/s}} = 0.214# meters