Q.

Coefficients of Performance of refrigerator and efficiency if it is working as a Carnot engine are αR and η and according to given figure then correct option.

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a

αR=Q1W, η=Q1W

b

αR=Q2W, η=WQ2

c

αR=Q2W, η=WQ1

d

αR=Q1W, η=Q2W

answer is C.

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Detailed Solution

COP (α) =Desirable effect producedEnergy supplied to produce the desirable effect . For refrigerator desirable effect is Q2 . Efficiency of Carnot engine is work done Heat intake
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