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  • Two bodies of the same material but different radii are heated up to the same temperature. , where <img alt="r_1" src="/latex

Two bodies of the same material but different radii are heated up to the same temperature. r_1 > r_2, where r_1 and r_2 are radii of the two bodies then

Option: 1

Both will cool at the same rate


Option: 2

1st will cool at a faster rate 


Option: 3

2nd will cool at a faster rate


Option: 4

None of the above


Answers (1)

best_answer

As we have learnt,

 

Area of Radiating Surface -

Greater the area of radiating body

- wherein

Faster will be cooling.

 

 Rate of cooling \propto r^2

\therefore 1st will cool at a faster rate.

 

Posted by

Shailly goel

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