IIT JAM
Himanshu Pandey Asked a Question
April 28, 2020 3:22 ampts 30 pts
  • IIT JAM
  • Physics (PH)

Thermodynamics2

In first pic there was question and in second there was solution (given from ur side) Why here we keep temperature in celcius not in Kelvin??
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  • Ruby negi
    alwys take temperature in kelvin, but here in the solution, u need temperature difference (T1-T2) so temperature difference is same in Celsius or in kelvin.. so no need to worry, i...
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  • Abhishek singh Best Answer
    Very Important : The formula for efficiency = (1-T2/T1) is only applicable in Kelvin units!! Yes, you have pointed out a valid doubt. But in the solution above, we need temperatur...
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  • Shanu arora thankyou
    it actually doesn't matter even if we keep temp in Kelvin or celsius here as far as the temp diffenrce is concerned and the temp diffenrce remains same ( 50+ 273 - (10+273) ,so we ...
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