JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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A black body at a temperature of

{127^0}C

radiates heat at the rate of

1\,\,cal/c{m^2} \times \sec

. At a temperature of

{527^0}C

the rate of heat radiation from the body in

\left( {cal/c{m^2} \times \sec } \right)

will be

View answer and explanation

Correct option: A

16.0

The correct answer is A (16.0) because the rate of heat radiation is proportional to the fourth power of the absolute temperature, according to Stefan-Boltzmann law.

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