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solid angle

 
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Mai



Joined: 19 Jan 2015
Posts: 1
Location: Ottawa

PostPosted: Tue Jan 20, 2015 4:12 pm    Post subject: solid angle Reply with quote

How can I calculate the power per solid angle for a 100 watt light bulb?

Is there a difference between light bulb and laser pointer ( in calculation)?



I read aout the solid angle I understand its sphere equal 4pi, but if the surface will be r^2 which is the radius.
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