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The efficiency of a heat engine working between the freezing point and boiling point of water is ….. (a) 6.25% (b) 20% (c) 26.8% (d) 12.5%

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The efficiency of a heat engine working between the freezing point and boiling point of water is …..

(a) 6.25%

(b) 20% 

(c) 26.8% 

(d) 12.5%

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(c) 26.8%

The freezing point of water = 0°C = 273 K 

Boiling point of water = 100°C = 373 K

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