Forensic Science: Filters for Revealing Invisible Evidence
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Questions and Answers

The ______ cannot be seen by human eyes and camera

evidence like blood on dark clothing, gunshot residue, bite marks, semen, ink differences, partially burned items

Both the human eye and camera see in the ______ end of the electromagnetic spectrum

visible

The evidence mentioned can be made visible with ______ filters

UV/IR

Color barrier filters include ______, which can cancel the background hue

<p>red, yellow, orange</p> Signup and view all the answers

The filters make ______ visible

<p>evidence/prints/impressions</p> Signup and view all the answers

How can UV/IR filters help in making certain evidences visible?

<p>UV/IR filters can make evidences like blood on dark clothing, gunshot residue, bite marks, semen, ink differences, and partially burned items visible.</p> Signup and view all the answers

What is the function of color barrier filters, such as red, yellow, or orange, in forensics?

<p>Color barrier filters can cancel the background hue, making the evidence, prints, or impressions visible.</p> Signup and view all the answers

Give examples of evidences that can be made visible through the use of UV/IR filters.

<p>Blood on dark clothing, gunshot residue, bite marks, semen, ink differences, and partially burned items.</p> Signup and view all the answers

How do UV/IR filters help forensic investigators in revealing partially burned items?

<p>UV/IR filters can make partially burned items visible, aiding forensic investigators in detecting crucial details.</p> Signup and view all the answers

Explain how the use of color barrier filters can enhance the visibility of prints or impressions at a crime scene.

<p>Color barrier filters, like red, yellow, or orange filters, can cancel out the background hue, making prints or impressions more visible for analysis.</p> Signup and view all the answers

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