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21. Ice Falls Into lake type problem. From calorimetry. Please solve this.

21. Ice Falls Into lake type problem. From calorimetry. Please solve this.

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Grade:12th pass

1 Answers

Arun
25758 Points
2 years ago
1) L = latent heat of Fusion of ice 
Mass of ice melted = m/5 
Heat energy absorbed by ice in melting = mL/5 
Distance through which the ice block of mass m has fallen = h 
P. E. lost = mgh = Energy converted in to Heat energy  
Hence, mgh = mL/5  
=> h = L / (5g) ........ Option (A)

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