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State PCS PYQPrelims 2022

BPSC – Combined Competitive Examination · ప్రశ్న 118

Which law states that equal volumes of all gases at the same temperature and pressure contain the same number of molecules?

  1. Graham's law
  2. Pascal's law
  3. Avogadro's law
  4. Coriolis effect
  5. None of the above / More than one of the above
సమాధానం చూపించు & వివరణ

సమాధానం: (C) Avogadro's law

వివరణ

Avogadro's law (1811): V ∝ n at constant T and P.

  • (A) తప్పు

    Wrong: deals with diffusion rates.

  • (B) తప్పు

    Wrong: deals with pressure in fluids.

  • (C) సరైనది

    Correct: this is Avogadro's law.

  • (D) తప్పు

    Wrong: deflection due to Earth's rotation.

  • (E) తప్పు

    Wrong: only one of the options A–D is correct.