A cubical vessel of side 10 cm is filled with Ice at 0°C and is immersed in water bath at 100°C. If thickness of walls of vessel is 0 .2 cm and conductivity is `0.02` CGS units, then time in which all the Ice melts is (Density of Ice `=0.9 "gm/cc"` )

Options

A. 6 sec
B. 9 sec
C. 12 sec
D. 15 sec

Answer

C