NEET Physics Thermodynamics Questions Solved


An engine is supposed to operate between two reservoirs at temperature 727°C and 227°C. The maximum possible efficiency of such an engine is -

(1) 1/2

(2) 1/4

(3) 3/4

(4) 1

(1) η=T1T2T1=(273+727)(273+227)273+727

=10005001000=12

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