helpppp

Discuss Physics and Physics Olympiad related problems here
Asif Hasan
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Joined:Fri Oct 25, 2013 11:16 pm
helpppp

Unread post by Asif Hasan » Mon Mar 03, 2014 8:26 pm

need solve.........and also on what brightness depends? :cry:
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Gautampl
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Location:Bogra, Bangladesh
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Re: helpppp

Unread post by Gautampl » Mon Apr 07, 2014 10:35 pm

Between 60's, the one in the 1st image will be brighter. In the 2nd image 60W will be brighter.

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