Why must the radiation source for fluorescence spectrometry be more powerful than for absorption spectroscopy?

Question: Why must the radiation source for fluorescence spectrometry be more powerful than for absorption spectroscopy?
[A].

Because the magnitude of the output signal is proportional to the power of the incident radiation

[B].

Because the sample won’t fluoresce if the incident radiation is of low power

[C].

To allow for scattering by the sample

[D].

None of the above

Answer: Option A

Explanation:

No answer description available for this question.