NEET | 2016Work, Power and EnergyHard
Question
A piece of ice falls from a height h so that it melts completely. Only one-quarter of the heat produced is absorbed by the ice and all energy of ice gets converted into heat during its fall. The value of h is:
[Latent heat of ice is 3.4 15 J/kg and g = 10 N/kg]
Options
A.
34 km
B.
544 km
C.
136 km
D.
68 km
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