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  • An electron with kinetic energy collides with a hydrogen atom in the ground state. The collision wi

An electron with kinetic energy =\mathrm{E} \mathrm{eV} collides with a hydrogen atom in the ground state. The collision will be elastic

Option: 1

for all values of \mathrm{E}


Option: 2

for \, \, \mathrm{E}<10.2 \mathrm{eV}


Option: 3

for\, \, \mathrm{E}<13.6 \mathrm{eV}\, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \, \,


Option: 4

only \, \, for\, \, \mathrm{E}<3.4 \, \, \mathrm{eV}


Answers (1)

best_answer

Hydrogen atom in the ground state will only absorb energy greater than 10.2 eV. If this occurs,
the collision will be inelastic. If there is no absorption of energy, the collision is elastic.

Posted by

Irshad Anwar

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