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NEET Class neet Answered

Please solve this problem 
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Asked by Www.manashjyoti333 | 28 Oct, 2019, 10:08: PM
answered-by-expert Expert Answer
graph-4 is not correct, because isothermal process B-C and A-D are given wrongly
 
graph-2 is not correct, C-D cooling process at constant volume is extended to lower temperature it passes through origin.
It indicates solidifiaction of working substance, it is assumed here as ideal gas, is not possible, which is not true
Every substance will be soldified at some lower temperature.
 
Hence graph-1 and graph-3 are correct
Answered by Thiyagarajan K | 29 Oct, 2019, 02:12: PM
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