Multiple Choice
Which of the following is TRUE for emission spectra?
A) Excitation wavelength is fixed and the emission wavelengths are scanned.
B) Excitation wavelength is scanned and the emission wavelength is fixed.
C) Excitation wavelength is fixed and the emission wavelength is fixed.
D) Excitation wavelength is scanned and the emission wavelength is scanned.
E) None of these answers is true.
Correct Answer:

Verified
Correct Answer:
Verified
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
Q13: Phosphorescence is:<br>A)a nonradiative transition between states with
Q14: The basic spectrophotometer is composed of four
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
Q19: Calculate the energy of a photon with
Q20: Reagent blanks are primarily used to:<br>A)align the