Why is it when I put a colored sheet of plastic(such as green)over a laser

Subject: Why is it when I put a colored sheet of plastic(such as green)over a laser

Date: Fri Mar 20 00:13:09 1998
Posted by Steve Elliott
Grade level: 10-12
School: No school entered.
City: moline State/Province: ill
Country: usa
Area of science: Physics
ID: 890374389.Ph

Message:


pen it doesnt change colors? It remains a red beam of light shining 
through?

Re: Why is it when I put a colored sheet of plastic(such as green)over a laser

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