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Standard XII
Physics
Characteristics of Bohr's Atomic Model
In Bohr model...
Question
In Bohr model of hydrogen atom, the ratio of periods of revolution of an electron in
n = 2 and n = 1 orbits
is
A
2 : 1
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B
4 : 1
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C
8 : 1
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D
16 : 1
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Solution
The correct option is
C
8 : 1
According to Bohr model time period of electron
T
∝
n
3
⇒
T
2
T
1
=
n
3
2
n
3
1
=
2
3
1
3
=
8
1
⇒
T
2
=
8
T
1
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