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3. Based on what you know, what is the frequency range of UV radiation?
A. 3.5 x 10° -3 x 1011 Hz
C. 7.5 x 1014- 3 x 1016 Hz
B. 3.5 x 1011 - 3 x 1014 Hz
D. 7.5 x 1016- 3 x 1019 Hz​