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AP EAMCET202522 May 2025Evening ShiftPhysicsThermal Properties of MatterActual

Water of mass 5 kg in a closed vessel is at a temperature of 20^ C . If the temperature of the water when heated for a time of 10 minutes becomes 30^ C , then the increase in the internal energy of the water is (Specific heat capacity of water =4200 ~J ~kg ⁻¹ ~K ⁻¹ )

Options

  1. A100 kJ
  2. B420 kJ
  3. C510 kJ
  4. D210 kJ

Correct answer

D. 210 kJ

Step-by-step solution

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