1.

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 \[(g=10\,m/{{s}^{2}})\] and (latent heat of ice\[=3.5\times {{10}^{5}}\,joule/\sec \]), then the object will melt [BHU 2001]

A.   2 kg of ice   
B.   200 gm of ice
C.   20 gm ice    
D.   2 gm of ice
Answer» C.   20 gm ice    


Discussion

No Comment Found

Related MCQs