Asked by fathima12 | 19th Jan, 2010, 11:04: PM
A cube have six faces, if we put hot water to fill completely the volume of the cube, then all six enclosing surfaces are heated and will radiate.
Radiating surface for a cube = 6xArea of one face = 6x2
Consider for cone,
If it's a conical vessel, holding hot water and the vessel is not closed, then the radiating surface is πrl. All other formuale are correct.
Answered by | 20th Jan, 2010, 12:14: AM
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