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  • Rate of cooling of a body heated at a very high temperature is Option: 1 proportional to specific heat capacity<div class='qna-opt

Rate of cooling of a body heated at a very high temperature is 

Option: 1

proportional to specific heat capacity


Option: 2

Inversely proportional to specific heat capacity


Option: 3

Independent of specific heat capacity


Option: 4

none of the above


Answers (1)

best_answer

As we have learnt,

 

Specific Heat of Radiating Body -

Greater the specific heat of radiating body.

- wherein

Slower will be cooling

 

 \\\frac{dQ}{dt} = \sigma AT^4 \\\Rightarrow ms\frac{dT}{dt} = \sigma AT^4 \Rightarrow \frac{dT}{dt} = \frac{\sigma AT^4}{ms} \\\therefore \frac{dT}{dt} \propto \frac{1}{s}

 

Posted by

Irshad Anwar

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