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.
The Attempt at a Solution
I totally clueless....What should I understand first so that I can answer this question?