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12 . kinetic theory of gases — Physics STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 SciencePhysics12 . kinetic theory of gases1 Mark
MCQ
A very tall vertical cylinder is filled with a gas of molar mass $M$ under isothermal conditions at temperature $T.$ The density and pressure of the gas at the base of the container is $\rho_0$ and $p_0$, respectively Choose the correct statement $(s)$ if gravity is assumed to be constant throughout the container
  • A
    Both pressure and density decreases exponentially with height. 
  • B
    The variation of pressure is $p = {p_0}e - \frac{{Mgh}}{{RT}}$
  • C
    The variation of density $p = {\rho _0}e - \frac{{Mgh}}{{RT}}$
  • ✓
    All of the above
✓

Answer

Correct option: D.
All of the above
d

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