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11th Standard English Medium Physics Subject Kinetic Theory of Gases Creative 1 Mark Questions with Solution Part - I

11th Standard

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Physics

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5
  1. In ideal gas is expanding such that PT2 = constant. The coefficient of volume expansion of the gas is ______________.

    (a)

    \(\frac{1}{T}\)

    (b)

    \(\frac{2}{T}\)

    (c)

    \(\frac{3}{T}\)

    (d)

    \(\frac{4}{T}\)

  2. Moving with uniform speed. The temperature of the gas molecules inside will _____________.

    (a)

    increase

    (b)

    decrease

    (c)

    remain the same

    (d)

    decrease for some, while increases for others.

  3. During an adiabatic process, the pressure of a gas is found to be proportional to the cube of its absolute temperature the ratio \(\frac { { C }_{ p } }{ { C }_{ v } } \)for the gas is _____________.

    (a)

    \(\frac{4}{3}\)

    (b)

    2

    (c)

    \(\frac{5}{3}\)

    (d)

    \(\frac{3}{2}\)

  4. The gas having average speed four times as that of SO2 (molecule mass 64) is ____________.

    (a)

    He (molecule mass 64)

    (b)

    O2 (molecule mass 4)

    (c)

    M2 (molecule mass 32)

    (d)

    CH4 (molecule mass 16)

  5. The ratio of the vapour densities of two gases at a gn is 9 : 8. The ratio of the rms velocity of their molecules is ________________.

    (a)

    3: 2\(\sqrt{2}\)

    (b)

    2\(\sqrt{2}\):3

    (c)

    9:8

    (d)

    8:9

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