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The minimum kinetic energy of a ground s...

The minimum kinetic energy of a ground state hydrogen atom required to have head-on collision with another ground state hydrogen atom but at rest to produce a photon is given by

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20.4 eV
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NN GHOSH-ATOMIC STRUCTURE-EXERCISE
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  6. Calculate for a hydrogen atom the ionization potential, the first exci...

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  7. An electron in an excited hydrogen atom acquired an energy of 12.1 eV....

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  8. Calculate the radius of the first Bohr orbit of a He^(+) ion and the b...

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  9. A hydrogen atom in a state of binding energy 0.85 eV makes a transitio...

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  10. Calculate the wavelengths of the member of Lyman, Balmer and Paschen s...

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  11. A double ionised lithium atom is hydrogen like with atomic number 3 ...

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  13. The minimum kinetic energy of a ground state hydrogen atom required to...

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  14. A stationary hydrogen atom emits a photon corresponding to the first l...

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  15. What hydrohen-like ion has the wave-length difference between the firs...

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  17. A gas of identical hydrogen-like atoms has some atoms in the lowest in...

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  18. A hydrogen like atom (atomic number z) is in a higher excited state of...

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  19. Find the binding energy of an electron in the ground state of a hydrog...

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  20. An electron , in a hydrogen-like atom, is in excited state. It has a t...

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