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Question
The binding energy of an electron in nth orbit of the hydrogen atom is given by `"E"_"n" = 13.6/"n"^2 "eV."` The energy required to knock an electron from the second orbit in eV will be ____________.
Options
10.2 eV
12.1 eV
13.6 eV
3.4 eV
MCQ
Fill in the Blanks
Solution
The binding energy of an electron in nth orbit of the hydrogen atom is given by `"E"_"n" = 13.6/"n"^2 "eV."` The energy required to knock an electron from the second orbit in eV will be 3.4 eV.
Explanation:
`"E" = 13.6/2^2 =3.4 "eV"`
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Bohr’s Atomic Model
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