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Explain internal kinetic and potential e...

Explain internal kinetic and potential energies of molecules.

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Knowledge Check

  • Pressure of a gas at constant volume is proportional to a) total internal energy of the gas b) average kinetic energy of the molecules c) average potential energy of the molecules d) total energy of the gas

    A
    total internal energy of the gas
    B
    averatge kinetic energy of the molecules
    C
    average potential energy of the molecules
    D
    total energy of the gas

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    Statement-1: In kinetic theory of gases, we do not take into account the change in gravitational potential energy of the molecules. Statement-2: The internal energy of a gas depends on the interaction between gas molecules. This interaction is not affected by the change in gravitational potential energy of the molecules.

    "We do not take into account the changes in gravitational potential energy of the molecules also in the kinetic theory of gases". Why?

    Assertion: In a simple harmonic motion the kinetic and potential energy becomes equal when the displacement is (1)/(sqrt(2)) time the amplitude Reason: is SHM kinetic energy is zero when potential energy is maximum

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