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Grade 7Modern Physics

An electric bulb of volume 250 cubic cm was sealed off during manufacture at a pressure of 10^-3mm Hg at 27 degree celsius,find number of molecules in it.(Avogadro number is 6*10^23)

Profile image of Pushkar Aditya
12 Years agoGrade 7
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1 Answer

Profile image of Arun Kumar
12 Years ago

Now apply PV=nRT


Get n and multiply with Avogadro's Constant.


Arun Kumar
IIT Delhi
Askiitians Faculty