JEE Advanced 2021 Full Test 2 Paper 2

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SECTION – B (Single Digit Integer Type)
This section contains 06 questions. The answer to each question is a Single Digit integer ranging from 0 to 9, both inclusive.

Question : 12 of 54

Marks: +1, -0

A thermodynamic system is taken from an initial state I with internal energy Ui=100J to the final state f along two different paths iaf and ibf, as schematically shown in the figure. The work done by the system along the paths af, ib and bf are Waf=200J, Wib=50J and Wbf=100J respectively. The heat supplied to the system along the path iaf, ib and bf are are Qifa,Qib and Qbf respectively. If the internal energy of the system in the state b is Ub=200J and Qiaf =500J, The ratio

Qbf

Qib

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