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songoku
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Homework Statement
Fluorescent lamps use phosphors to produce visible light from UV light. This is done by absorbing the UV light and then re-radiating it using a different wavelength. This is a
a. one way process
b. reversible process
c. process that produces continuous spectrum
d. process that produces a single wavelength only
e. process that is very inefficient.
Homework Equations
The Attempt at a Solution
I totally clueless...What should I understand first so that I can answer this question?
Thanks