Questions
The frequency of the first line of Balmer series in hydrogen atom is Hz. The frequency v of the line emitted by a single ionized helium atom is
a
(2v0) Hz
b
(4v0) Hz
c
(v0/2) Hz
d
v0/4 Hz
detailed solution
Correct option is B
v=Z2Rc1n12−1n22 v0=Rc122−132=Rc9−436 or v0=5Rc36 Further v=(2)2Rc122−132=20Rc36 vv0=4 or v=4v0Talk to our academic expert!
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Which of the following cannot be the energy of the electron in the hydrogen atom?
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