alleryVacuum radiation f=10^15 Hz; c=3×10^8 m/s. Which wavelength and band fit?
A3 μm; ultraviolet
B3 μm; infrared
C300 nm; infrared
D300 nm; ultraviolet
Answer & Solution
Correct answer: D. 300 nm; ultraviolet
The wavelength c/f is 300 nm, within the ultraviolet region.
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