試題詳解

18. Which of the following statements about an emission spectrum is FALSE?
(A) It is collected at a different wavelength compared to the absorption spectrum.
(B) It is a mirror image of the absorption spectrum.
(C) It is collected by varying the excitation wavelengths and measuring a fixed emission wavelength.
(D) It has a higher energy than the excitation spectrum.
(E) It is collected by fixing the excitation wavelength and is measured by varying the emission wavelengths.