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Byju's Answer
Standard XII
Chemistry
Introduction to Atomic Structure
Calculate the...
Question
Calculate the ratio of radii of first, second and third orbits of a hydrogen atom.
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Solution
In bohr orbit radius of
n
t
h
orbital
R
n
is
R
n
=
0.529
×
n
2
z
A
∙
(
z
=
1
of Hydrogen)
R
1
=
0.529
×
1
A
∙
R
2
=
0.529
×
4
A
∙
R
3
=
0.529
×
9
A
∙
R
1
:
R
2
:
R
3
=
1
:
4
:
9
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