Which type of powder is used to develop fingerprints on dark or colored surfaces by providing contrast against the background?
A. Magnetic Powder
B. Black Powder
C. White Powder
D. Fluorescent Powder
Answer:C
Which type of powder is used to develop fingerprints on dark or colored surfaces by providing contrast against the background?
A. Magnetic Powder B. Black Powder C. White Powder D. Fluorescent Powder
Explanation: White powder, typically made of aluminum or titanium dioxide, is used to develop fingerprints on dark or colored surfaces. It provides contrast against the background, enhancing the visibility of the prints.