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ATOMIC STRUCTURE
Question #23670
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Question
What is the frequency of a wave with a wavelength of 400 nm?
A. 5.0 × 10¹⁴ Hz
B. 6.0 × 10¹⁴ Hz
C. 7.5 × 10¹⁴ Hz
D. 8.0 × 10¹⁴ Hz
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