The wavelength of light visible to the human eye is on the order of 5 × 10−7 m. If the speed of light in air is 3 × 108 m/s, find the frequency of the lightwave.
A) 3 × 107 Hz
B) 4 × 109 Hz
C) 5 × 1011 Hz
D) 6 × 1014 Hz
E) 4 × 1015 Hz
Correct Answer:
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