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Consider the following two processes;                                                                                                                                        

(I) A heat source at 1200 K loses 2500 kJ of heat to a sink at 800 K

(II) A heat source at 800 K loses 2000 kJ of heat to a sink at 500 K

Which of the following statements is true?

      (a) Process I is more irreversible than process II

      (b) Process II is  more irreversible than process I

      (c) Irreversibility associated in both the processes are equal

      (d) Both the processes are reversible

 

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