AIPMT 2008 physics questions with solutions

Showing 1–3 of 3 questions

• MCQeasyThermodynamicscyclic process its efficiency ,second law of thermodynamics

  If Q, E and W denote respectively the heat added, change in internal energy and work done in a closed thermodynamic cycle, then:

  Options

  • Option A

    W = 0

  • Option B

    Q = W = 0

  • Option C

    E = 0

  • Option D

    Q = 0

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• MCQmediumThermodynamicscyclic process its efficiency ,second law of thermodynamics

  Two moles of an ideal gas are taken through the cyclic process abcda shown in a U–V diagram. During processes ab and cd, temperatures are 500 K and 300 K respectively. The volumes at a and d are V₀, and at b and c are 2V₀. Calculate the net heat absorbed by the system. (ln 2 = 0.69 and R = 8.3 J mol⁻¹ K⁻¹)

  Options

  • Option A

    2290.3 J

  • Option B

    2209.3 J

  • Option C

    2029.3 J

  • Option D

    2293.3 J

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• MCQeasyThermodynamicskinetic theory of gaseous

  At 10°C, the value of density of a fixed mass of an ideal gas divided by its pressure is x. At 110°C this ratio is:

  Options

  • Option A

    x

  • Option B

    (383/283)x

  • Option C

    (10/110)x

  • Option D

    (283/383)x

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