Which rays are mainly used to find out invisible hand-writings, forged documents and fingerprints? - Study24x7
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1542 followers study24x7 07 May 2021 01:02 PM study24x7 study24x7

Which rays are mainly used to find out invisible hand-writings, forged documents and fingerprints?

A

Ultraviolet rays

B

Infrared ways

C

Beta rays

D

Gamma rays

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