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Byju's Answer
Standard XII
Chemistry
Bohrs Derivations
The value of ...
Question
The value of energy for first excited state hydrogen is:
A
−
13.6
eV
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B
−
3.40
eV
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C
−
1.51
eV
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D
−
0.85
eV
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Solution
The correct option is
C
−
3.40
eV
The formula defining the energy levels of a Hydrogen atom are given by the equation:
E
n
=
−
Z
2
×
13.6
e
V
n
2
E
2
=
−
1
2
×
13.6
e
V
2
2
= -3.40eV
option B is correct
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