engineering recuitment AAI ATC Junior Executive 2025 Mock Test Series Physics Thermal Properties of Matter Calorimetry
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 × 105 J/kg and g = 10 N/kg]
1
136 km
2
68 km
3
34 km
4
544 km