Heat TransferEasy
Question
The radii is of two spheres made of same metal are r and 2r. These are heated to the same temperature and placed in the same surrounding. The ratio of rates of decrease of their temperature will be
Options
A.1 : 1
B.4 : 1
C.1 : 4
D.2 : 1
More Heat Transfer Questions
A cylindrical metalic rod in thermal contact with two reservoirs of heat at its ends conducts an amount of heat Q, in ti...The surface temperature of a body is 727oC and that of another body is 327oC. The ratio of total energy radiated by them...Two rectangular blocks, having identical dimensions, can be arranged either in configuration I or in configuration II as...Three rods of copper, brass and steel are welded together to form a Y-shaped structure. Area of crossseciton of each rod...Two long, thin solid cylinders are evidential in size, but they are of different substances with two different thermal c...