Questions
The opposite faces of a cubical block of iron of cross section 4 square cm are kept in contact with steam and melting ice. Calculate the quantity of ice melted at the end of 10 minutes, k for iron = 0.2 cgs units.
a
300 g
b
150 g
c
75 g
d
450 g
detailed solution
Correct option is A
Each side of the cube is 2 cm.Further, with usual notation,(T1−T2)=(100−0)Q=kA(T1−T2)tx=24000calm=QL=2400080=300gTalk to our academic expert!
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