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A mass of an ideal gas undergoes a rever...

A mass of an ideal gas undergoes a reversible isothermal compression. Its molecules will then have compared with initial state, the same
(i) root mean square velocity (ii) mean mometum (iii) mean kinetic energy

A

(i), (ii) & (iii) are correct

B

(i)&(ii) are correct

C

(ii)&(iii) are correct

D

only (i) is correct

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Knowledge Check

  • A certain mass of an ideal gas undergoes a reversible isothermal compression. When compared with their initial state, its molecules will have the same (i) root mean square velocity (ii) mean momentum (iii) mean kinetic energy

    A
    (i),(ii),(iii) correct
    B
    (i),(ii) correct
    C
    (ii),(iii) correct
    D
    (i) correct

  • An ideal gas undergoes isothermal process from some initial state i to final state f. Choose the correct alternative

    A
    `dU=0`
    B
    `"d"theta=0`
    C
    `"d"theta=dU`
    D
    `dw=dw`

  • In deriving the kinetic gas equation, use is made of the root mean square velocity of the molecules because it is

    A
    The average velocity of the molecules
    B
    The most probable velocity of the molecules
    C
    The square root of the average square velocity of the molecules
    D
    The most accurate form in which velocity can be used in these calculations

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