1.

A spherical body of area A and emissivity e = 0.6 is kept inside a perfectly black body. Energy radiated per second by the body at temperature T is

A. 0.4σAT<sup>4</sup>
B. 0.8 σAT<sup>4</sup>
C. 0.6 σAT<sup>4</sup>
D. 1.0 σAT<sup>4</sup>
Answer» D. 1.0 ‚âà√¨‚àö√¢AT<sup>4</sup>


Discussion

No Comment Found