AIPMT 2011 physics questions with solutions

Showing 1–2 of 2 questions

• MCQmediumThermodynamicsthermodynamic process and work done

  A mass of diatomic gas (γ = 1.4) at a pressure of 2 atmospheres is compressed adiabatically so that its temperature rises from 27°C to 927°C. The pressure of the gas in the final state is:

  Options

  • Option A

    8 atm

  • Option B

    28 atm

  • Option C

    68.7 atm

  • Option D

    256 atm

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• MCQeasyThermodynamicsfirst law of thermodynamics

  During an isothermal expansion, a confined ideal gas does 150 J of work against its surroundings. This implies that:

  Options

  • Option A

    150 J of heat has been removed from the gas.

  • Option B

    300 J of heat has been added to the gas.

  • Option C

    No heat is transferred because the process is isothermal.

  • Option D

    150 J of heat has been added to the gas.

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