Which print type is visible to the naked eye without processing?

Which print type is visible to the naked eye without processing?

• A. Latent
• B. Plastic
• C. Patent
• D. Patent

Answer: (C)

Patent prints are visible to the naked eye without processing because they come from the finger’s natural oils and sweat transferring directly onto a surface, creating an obvious mark that you can see without any powders or chemicals. Latent prints are invisible until you develop them with powders or chemistry, which is why they require processing. Plastic prints are actual 3D impressions in soft materials like clay or wax; while they can be seen, the term describes a mold-like impression rather than a flat surface print visible without processing. So the prints you can observe immediately on a surface are patent prints.

Patent prints are visible to the naked eye without processing because they come from the finger’s natural oils and sweat transferring directly onto a surface, creating an obvious mark that you can see without any powders or chemicals. Latent prints are invisible until you develop them with powders or chemistry, which is why they require processing. Plastic prints are actual 3D impressions in soft materials like clay or wax; while they can be seen, the term describes a mold-like impression rather than a flat surface print visible without processing. So the prints you can observe immediately on a surface are patent prints.