A metal ball of mass 0.1 kg is heated upto 500° C and dropped into a vessel of heat capacity 800 
and containing 0.5 kg water. The initial temperature of water and vessel is 30° C. What is the approximate percentage increment in the temperature of the water? [Specific Heat Capacities of water & metal are, respectively, 4200 
and 
]
Text Solution
Verified by ExpertsThe correct answer is:
D
JEE Main 2019
Assume final temperature = T° C
Heat loss = Heat gain = ms ∆ T
So the closest answer is 20%.
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