{"id":991,"date":"2024-03-05T15:09:39","date_gmt":"2024-03-05T15:09:39","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=991"},"modified":"2024-03-05T15:09:39","modified_gmt":"2024-03-05T15:09:39","slug":"the-powder-used-for-developing-finger-prints-on-a-multi-coloured-surface-is","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-powder-used-for-developing-finger-prints-on-a-multi-coloured-surface-is\/","title":{"rendered":"The powder used for developing finger prints on a multi-coloured surface is"},"content":{"rendered":"

[amp_mcq option1=”Gold dust” option2=”Manganese dioxide” option3=”Charcoal” option4=”Fluorescent powder” correct=”option4″]<\/p>\n

The correct answer is (d), fluorescent powder.<\/p>\n

Fluorescent powder is a type of powder that emits light when exposed to ultraviolet light. This makes it ideal for developing fingerprints on multi-colored surfaces, as the powder will only adhere to the areas where there is fingerprint residue. This makes it easy to see the fingerprints against the background of the surface.<\/p>\n

Gold dust, manganese dioxide, and charcoal are all types of powder that can be used to develop fingerprints, but they are not as effective as fluorescent powder on multi-colored surfaces. Gold dust is a very fine powder that can be difficult to see against a dark background. Manganese dioxide is a black powder that can be difficult to see against a light background. Charcoal is a gray powder that can be difficult to see against a dark or light background.<\/p>\n

Fluorescent powder is the most effective type of powder for developing fingerprints on multi-colored surfaces because it emits light when exposed to ultraviolet light. This makes it easy to see the fingerprints against the background of the surface.<\/p>\n","protected":false},"excerpt":{"rendered":"

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