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MHTCET 13 May 2023 Shift 1 Solved Paper
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© examsnet.com
Question : 18
Total: 150
Find the radius of fourth orbit of hydrogen atom if its radius of first orbit is
R
pm
.
R pm
4
Rpm
9
Rpm
16
R
pm
Validate
Solution:
Radius of nth orbit of
H
-atom,
r
n
=
n
2
a
0
where
a
0
=
radius of the first orbit Radius of the fourth orbit of
H
atom
=
r
4
=
(
4
)
2
R
pm
=
16
R
pm
© examsnet.com
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