For absorption spectra to exist
A)the light source must be a gas.
B)partially absorbent material must exist between the light source and spectroscope.
C)the spectroscope must be equipped with an absorption cell.
D)all of these
E)none of these

Question

Quizplus · Accepted Answer

To obtain absorption spectra, there must be a partially absorbent material between the light source and the spectroscope. This material could be a gas, liquid, or solid, but it must be able to absorb specific wavelengths of light. The spectroscope does not necessarily need to be equipped with an absorption cell, although this may be helpful in some cases. Therefore, options A, C, D, and E can be ruled out.

For Absorption Spectra to Exist