Multiple Choice
Phosphorescence is:
A) a nonradiative transition between states with the same spin,S1 S0.
B) a nonradiative transition between states with different spin,T1 S0
C) the emission of a photon during a transition between states with the same spin,S1 S0.
D) the emission of a photon during a transition between states with different spin,T1 S0
E) None of these answers defines phosphorescence.
Correct Answer:

Verified
Correct Answer:
Verified
Q8: Which of the statements below is FALSE
Q9: A transmittance of 0.3847 is measured for
Q10: Quinine sulfate in 0.5 M sulfuric acid
Q11: Beer's law works for_ radiation passing through
Q12: Which of the following is NOT true
Q14: The basic spectrophotometer is composed of four
Q15: Which of the following is TRUE for
Q16: The part of a spectrophotometer that selects
Q17: Absorbance measured during a spectrophotometric titration must
Q18: Fluorescence is:<br>A)a nonradiative transition between states with