Solved papers for JEE Main & Advanced JEE Main Online Paper (Held On 23 April 2013)

done JEE Main Online Paper (Held On 23 April 2013) Total Questions - 1

• question_answer1)                 Which of the following statements/ relationships is not correct in thermodynamic changes?     JEE Main Online Paper ( Held On 23  April 2013 )
  A)
                    \[\Delta U=0\](isothermal reversible expansion of a gas)
  done clear
  B)
                                           \[w=-nRT\ln \frac{{{V}_{2}}}{{{V}_{1}}}\](isothermal reversible expansion of an ideal gas)
  done clear
  C)
                                           \[w=-nRT\ln \frac{{{V}_{2}}}{{{V}_{1}}}\](isothermal reversible expansion of an ideal gas)
  done clear
  D)
                                           For a system of constant volume heat involved directly changes to internal energy.
  done clear
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