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Get detailed Class 11th &12th Physics Notes to prepare for Boards as well as competitive exams like IIT JEE… ** Here you can practice as well as give mock test on those previous years questions and Check your performance. 42 YEAR (1978-2019) IIT JEE ADVANCED PAPER SOLUTION 19 YEAR (2002-2020) JEE MAIN (AIEEE) PAPER SOLUTION Every aspirant must check the JEE Main/Advanced previous year question papers to understand the nature of the exam. This is very useful for JEE candidates to crack their upcoming JEE Main Examination.. In an irreversible process taking place at constant T and P and in which only pressure-volume work is being done, the change in Gibbs free energy (dG) and change in entropy (dS), satisfy the criteria. Trend of the papers. JEE Main Previous Year Papers Questions With Solutions Chemistry Thermodynamics and Chemical Energitics 1.A heat engine absorbs heat Q, at temperature T, and heat Q2 at temperature Tr Work done by the engine is J (Q, + Q2). Magnetics. 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