1.

Hailstone at 0°C falls from a height of 1 km on an insulating surface converting whole of its kinetic energy into heat. What part of it will melt \[(g=10\,m/{{s}^{2}})\] [MP PMT 1994]

A.            \[\frac{1}{33}\]        
B.            \[\frac{1}{8}\]
C.            \[\frac{1}{33}\times {{10}^{-4}}\]  
D.            All of it will melt
Answer» B.            \[\frac{1}{8}\]


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