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11th Class Physics Thermodynamical Processes Question Bank Thermodynamics Conceptual Problems

  • question_answer
    Why is the conversion of heat into work not possible without sink at lower temperature?

    Answer:

                    For converting heat energy into work continuously, a part of the heat energy absorbed from the source has to be rejected. The heat energy can be rejected only if there is a body, whose temperature is less than that of the source. This body at low temperature is called sink.


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