Heat TransferHard
Question
There is a black spot on a body. If the body is heated and carried in a dark room then it glows more. This can be explained on the basis of -
Options
A.Newton′s law of cooling
B.Wein′s law
C.Kirchhoff′s law
D.Stefan′s law
More Heat Transfer Questions
Mud houses are cooler in summer and warmer in winter because...The temperature of a perfect black body is 727oC and its area is 0.1 m2. If stefan′s constant = 5.67 × 10-8 w...The figure shows a system of two concentric spheres of radii r1 and r2 and kept at temperatures T1 and T2 respectively. ...Two Plates of equal areas are placed in contact with each other. their thickness are 2 and 3 respectively. Temp of exter...Two spheres of radii in the ratio 1 : 3 and densities in the ratio 2 : 1 and of same specific heat are heated to same te...