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KVPY2011PhysicsKinetic Theory of Gases

The number of air molecules in a (5 ~m 5 ~m 4 ~m ) room at standard temperature and pressure is of the order of

Options

  1. A6 10²³
  2. B3 10²⁴
  3. C3 10²⁷
  4. D6 10³⁰

Correct answer

C. 3 10²⁷

Step-by-step solution

PV = N K T where K is Boltzmann constant array l 10⁵ 100= N 1.38 10⁻²³ 273 ~N 3 10²⁷ array

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