Questions
The temperature inside and outside a refrigerator are 273 K and 303 K respectively. Assume that the refrigeration cycle is reversible. For every joule of work done the heat delivered to the surrounding will be approximately:
detailed solution
Correct option is B
η=1-T2T1=WQ1=WQ2+W⇒Q2=T2T1-1WTalk to our academic expert!
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An ideal Carnot engine whose efficiency is 40% receives heat at 500K if the efficiency is to be 50%, the intake temperature for the same exhaust temperature is.
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