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An ideal heat engine working between temperature $T_{H}$ and $T_{L}$ has efficiency $η$ . If both the temperature are raised by $100 K$ each, the new efficiency of heat engine will be

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Equal to η

Greater than η

Less than η

Greater or less than η depending upon the nature of the working substance

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detailed solution

Correct option is C

η1=1-T2T1 η2=1-T2+100T1+100

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An ideal heat engine working between temperature TH and TL has efficiency η . If both the temperature are raised by 100K each, the new efficiency of heat engine will be

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An ideal heat engine working between temperature $T_{H}$ and $T_{L}$ has efficiency $η$ . If both the temperature are raised by $100 K$ each, the new efficiency of heat engine will be