MadSci Network: Physics (View this file without Frames)

Subject: See comments below.

Date: Wed Mar 11 18:28:59 1998
Posted by Erik Brobyn
Grade level: undergrad
School: City College (fall '98)
City: New York State/Province: NY Country: USA


What is the minimum intesity a laser beam 
must be in order to be seen by the naked eye 
in an average darkened room, and what 
would the units it would be measured in? 
(Watts?)

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