Published by:
CGP EDU Academic Team
Published on: September 13, 2026
A stationary object at 4°C and weighing 3.5 kg falls from a height of 2000 m on a snow mountain at 0°C. If the temperature of the object just before hitting the snow is 0°C and the object comes to rest immediately (g = 10 m/s²) and (latent heat of ice $= 3.5 \times 10^{5} joule/sec$ ), then the object will melt
Text Solution
Verified by ExpertsThe correct answer is:
B
Suppose m kg of ice melts then by using $W_{\text{(Joules)}} = H_{\text{(Joules)}}$
⇒ ⇒ $\mathrm{Mgh} = \mathrm{mL}$ ⇒ ⇒ $3.5 \times 10 \times 2000 = m \times 3.5 \times 10^{5}$
⇒ ⇒ m = 0.2kg = 200gm
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