The wavelength of green light from a traffic signal is centered at 5.20 x 10 -5 cm. Calculate the
frequency.
f = "\\frac{c}{\u03bb}"
f = 2.9979 × 10⁸ m/s / 5.20 × 10⁻⁷ m
f = 5.77 × 10¹⁴ Hz
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