PHYSICS · Single correct · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter
Problem
For an ideal blackbody, the radiant power emitted per unit surface area depends on the absolute temperature T of the body. Which of the following proportionalities is correct?
(a) P/A∝T3
(b) P/A∝T4
(c) P/A∝T
(d) P/A∝T2