Multiple choice general knowledge science & technology

Why is it usually impossible to obtain fingerprints from textiles such as fabric, clothing and carpet?

  1. Because textiles are very absorbent

  2. Because textile fibres are resistant to the powders used to dust for prints

  3. Because textiles almost always contain synthetic materials

  4. Because most modern fibres are treated with fluorocarbons to repel moisture
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Textiles are highly absorbent materials. When fingers contact fabric, the natural oils and moisture that create latent prints are rapidly absorbed into the fibers, causing the print to spread and become indistinct rather than remaining on the surface.

Keep practicing — related questions