1.

A hollow sphere and a hollow cube, both made of the same metal, have same surface area and negligible thickness. They are filled with warm water of same temperature and placed in an enclosure of constant temperature, a few degrees below that of water. Then in the beginning the rate of

Answer»

energy LOST by the sphere is LESS than that by the cube
energy lost by the sphere is more than that by the cube
energy lost by the two is EQUAL
FALL of TEMPERATURE for the sphere is less than that for the cube

Answer :C::D


Discussion

No Comment Found