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UV Luminance Spectroscopy

Q1: 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

ANS:A - Because the magnitude of the output signal is proportional to the power of the incident radiation

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