Which of the following is NOT correct about fluorescence spectroscopy? Fluoresce
ID: 823566 • Letter: W
Question
Which of the following is NOT correct about fluorescence spectroscopy?
Fluorescence usually has a shorter lifetime than phosphorescence.
In a fluorescence spectroscopy the emission light is always measured at an angle that is perpendicular to the direction of the incident light.
In a fluorescence process, the emission light often has higher energy than the excitation light.
In a fluorescence emission process, the fluorophore molecule changes from the vibrational ground state of the first excited state to different vibrational levels of the ground electronic state.
Fluorescence usually has a shorter lifetime than phosphorescence.
In a fluorescence spectroscopy the emission light is always measured at an angle that is perpendicular to the direction of the incident light.
In a fluorescence process, the emission light often has higher energy than the excitation light.
In a fluorescence emission process, the fluorophore molecule changes from the vibrational ground state of the first excited state to different vibrational levels of the ground electronic state.
Explanation / Answer
In a fluorescence process, the emission light often has higher energy than the excitation light.
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