Green light has a wavelength of 5.4 *10-7 m.What is the frequency of this EM-wave in air?

Name: Green light has a wavelength of 5.4 *10-7 m.What is the frequency of this EM-wave in air?
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Quizplus · Accepted Answer

We can use the equation c = λv, where c is the speed of light in air (which is approximately equal to 3.00 x 10^8 m/s), λ is the wavelength in meters, and v is the frequency in Hz. Solving for frequency, we get v = c/λ = (3.00 x 10^8 m/s)/(5.4 x 10^-7 m) ≈ 5.55 x 10^14 Hz, which matches choice A.

Green Light Has a Wavelength of 5