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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2016
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Q)

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 $3.4 \times 10^5 \;J/kg$ and $g = 10\; N/kg$]


( A ) 136 km
( B ) 544 km
( C ) 68 km
( D ) 34 km

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