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One cubic metre of atomic hydrogen at 0​​​ o C and atmospheric pressure contains about 2.70×10 25 atoms.Energy value of a hydrogen atom in a stationary state is -13.6/n 2 (eV).Use Boltzmann’s factor to find the number of atoms in the first excited state at 0 o C.

One cubic metre of atomic hydrogen at 0​​​oC and atmospheric pressure contains about 2.70×1025 atoms.Energy value of a hydrogen atom in a stationary state is -13.6/n(eV).Use Boltzmann’s factor to find the number of atoms in the first excited state at 0oC.

Grade:12th pass

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