The presence of gunpowder residues on a garment whose color conceals the existence of the residue is best revealed by:
A)Infrared photography.
B)Ultraviolet photography.
C)Color photography.
D)Infrared spectrophotometry.

Question

Quizplus · Accepted Answer

Infrared photography is effective in revealing gunpowder residues on garments, especially when the color of the fabric conceals the residues, because it can capture details not visible to the naked eye by detecting the infrared light reflected or absorbed by the residues.

The Presence of Gunpowder Residues on a Garment Whose Color