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Vikash Raj Shrivastava posted an Question
June 04, 2021 • 18:25 pm 30 points
  • CSIR NET
  • Physical Sciences

38. the heat capacity of (the interior of) a refrigerator is 4.2 kj/k. the minimum work that must be done to lower the internal temperature from 18°c to 17°c wh

38. The heat capacity of (the interior of) a refrigerator is 4.2 kJ/K. The minimum work that must be done to lower the internal temperature from 18°C to 17°C when the outside temperature at 27°C is (a) 2.20 kJ (b) 0.80 kJ ()0.30 kJ (d) 0.14 kJ

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    Ravi bhushan best-answer

    Here is the detailed solution. Option D is the correct answer.

    cropped2094622840241045086.jpg
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