Calculate the period of green light waves with this wavelength to this problem: See below
Green light has a wavelength of 5.20 × 10−7 m and travels through the air at a speed of 3.00 × 108 m/s.
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The velocity, frequency and wavelength of light rays are related by:
v = f*l, where v is the velocity, f is the frequency, and l is the wavelength.
In your problem:
v = 3 x 10^8 m/s
l = 5.2 x 10^-7, solve for f
f = 5.77 x 10^14 Hz,
The period (T) = 1/f
T = 1.73 x 10^-15 s
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