NEET Physics Thermodynamics Online Test Set B

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Question 1

Question

A Carnot freezer takes heat from water at 0°C inside it and rejects it to the room at a temperature of 27°C. The latent heat of ice is 336 × 103 J kg–1. If 5 kg of water at 0°C is converted into ice at 0°C by the freezer, then the energy consumed by the freezer is close to :

Answer

1.71 × 107 J

None of these

1.51 × 105 J

1.67 × 105 J