In comparing fluorescence spectroscopy to UV-Vis absorption spectroscopy, which of the statements is true? Fluorescence measurements are more precise and less noisy because only the intensity of the emitted light is measured. Fluorescence measurements do not suffer deviations from linearity like absorbance measurements do. Fluorescence measurements have better detection limits because at low concentrations a low intensity emission signal is being measured against a low intensity background signal. Fluorescence instruments are less expensive than absorption measurements.
Electronic Transitions and Spectroscopy
The term “electronic” connotes electron, and the term “transition” implies transformation. In a molecule, the electrons move from a lower to a higher energy state due to excitation. The two energy states, the ground state and the excited state are the lowest and the highest energy states, respectively. An energy change is observed with this transition, which depicts the various data related to the molecule.
Photoelectron Spectroscopy
Photoelectron spectroscopy (PES) is a part of experimental chemistry. It is a technique used in laboratories that involves projecting intense beams of radiation on a sample element. In response, the element ejects electrons for which the relative energies are measured.
![In comparing fluorescence spectroscopy to UV-Vis absorption spectroscopy, which of the statements is true?
Fluorescence measurements are more precise and less noisy because only the intensity of the emitted light is measured.
Fluorescence measurements do not suffer deviations from linearity like absorbance measurements do.
Fluorescence measurements have better detection limits because at low concentrations a low intensity emission signal is
being measured against a low intensity background signal.
O Fluorescence instruments are less expensive than absorption measurements.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffe89836b-bba0-4df5-9667-e99956de1c6d%2F6ffbe8fc-c670-42dc-b6a3-dd59f4f8a232%2Ffg2y6aj_processed.png&w=3840&q=75)
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