An electron in H−atom is in its ground state absorbs 1.50 times as much as energy as the minimum required for its escape [13.6eV] from the atom. Thus KE given to emitter electron is
A
13.6eV
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B
20.4eV
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C
34.0eV
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D
6.8eV
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Solution
The correct option is D6.8eV
The ionization energy of hydrogen atom (ϕ)=13.6eV
Energy absorbed by hydrogen atom (E)=13.6×1.5=20.4eV