A Carnot engine is made to work first between 200^\circ{C} \& 0^\circ{C} and then between 0^\circ{C} \&-200^\circ{C} The ratio of efficiency ( {\\eta_{2}}/{\\eta_{1}} ) of the engine in two cases is :

NEET 2021 Model Test Paper 2

Question : 19 of 180

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A Carnot engine is made to work first between 200°C & 0°C and then between 0°C &−200°C The ratio of efficiency (

η2

η1

) of the engine in two cases is :

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