COMEDK 2024 Shift 1 Paper

A one kg block of ice at −1.5∘C falls from a height of 1.5 km and is found melting. The amount of ice melted due to fall, if 60% energy is converted into heat is (Specific heat capacity of ice is 0.5‌cal‌g−1‌C−1, Latent heat of fusion of ice =80‌cal‌g−1 )