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
The intensity of heat radiation by a point source measured by a thermopile placed at a distance d is I, If the distance ...If the temperature of the sun were to increase from T to 2T and its radius from R to 2R, then the ratio of the radiant e...A heat flux of 4000 J/s is to be passed through a copper rod of length 10 cm and area of cross section 100 cm2. The ther...f a liquid is heated in weightlessness, the heat is transmitted through...If a liquid takes 30 sec. in cooling of 95oC to 90oC and 70 sec. in cooling of 55oC to 50oC then temp. of room is -...