Q. What is the frequency of light having a wavelength of 4.50 x 10-6 cm?
A. 2.84 x 10-12 s-1
B. 2.10 x 104 s-1
C. 4.29 x 1014 s-1
D. 6.67 x 1015 s-1
Answer: 6.67 x 1015 s-1
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