Fundamentholfundamenthol
JEE Main2019Physics
Q.

A metal ball of mass 0.1 kg is heated upto 500°C and dropped into a vessel of heat capacity 800 JK–1 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 and metal are, respectively, 4200 Jkg–1K–1 and 400 Jkg–1K–1] 

  1. A

    25%

  2. B

    20%

  3. C

    30%

  4. D

    15%

Solution

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