The ratio of velocity of electron in the ground state
of H atom to its velocity in second excited state
of He ion is :-
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Answer:
V=
h
2π
2
Kme
2
⋅
n
Z
V=2.18×10
6
×
n
Z
V=2.18×10
6
×
2
2
=2.18×10
6
m/sec.
Explanation:
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