Modern Physics> The energy required to remove an electron...

The energy required to remove an electron from M shell of H-atom is 1.51 eV, then the energy of the first excited state will be:

-1.51 eV

+1.51 eV

-3.4 eV

-13.6 eV

Radhika , 8 Years ago

Grade 12th pass

1 Answers

Jotin Thingnam

Energy =-13.6/n2Where n= energy levelFirst excitation means, n=2Therefore, E= -13.6/4 eV = -3.4 eV

Last Activity: 8 Years ago

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Modern Physics> The energy required to remove an electron...

The energy required to remove an electron from M shell of H-atom is 1.51 eV, then the energy of the first excited state will be: -1.51 eV +1.51 eV -3.4 eV -13.6 eV

Radhika , 8 Years ago

Jotin Thingnam

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The energy required to remove an electron from M shell of H-atom is 1.51 eV, then the energy of the first excited state will be:

-1.51 eV

+1.51 eV

-3.4 eV

-13.6 eV

A nucleus X¹⁸⁴ at rest emitt alpha particle With kinetic energy 9.0MeV. The product Nucleus is Y. The values of Binding energy per nucleon of alpha particle & Y differ by 1.5MeV. The values of Binding energy per nucleon of X & Y differ by (n÷230) MeV, then n is

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