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KVPY SX SB Exam 19-Nov-2017 Question Paper

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Question : 91

Total: 120

One mole of an ideal monatomic gas undergoes the following four reversible processes :
Step 1 – it is first compressed adiabatically from volume 8.0 m‌3 to 1.0 m‌3.
Step 2 – then expanded isothermally at temperature T1 to volume 10.0 m‌3.
Step 3 – then expanded adiabatically to volume 80.0 m‌3.
Step 4 – then compressed isothermally at temperature T2 to volume 8.0 m‌3.
Then

is

2
4
6
8

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