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Grade: 12th pass
        
 
Radius of two spheres of same material are 1m and 2m respectively and their temperatures are 4 and 2K respectively. Then ratio of emitted energy of spheres per second is?
 
9 months ago

Answers : (1)

Arun
13926 Points
							

Energy radiated per second by a body at a temperature T is given by stefen's law

E= σAT2

Use this formula for both and find the ratio which would come out to be 1:1.

9 months ago
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