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JEE Main Physics Class 12 Atoms and Nuclei Part 3 Questions
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© examsnet.com
Question : 43
Total: 69
The radius of fifth orbit of the
Li
+
+
is _______
×
10
−
12
m
Take : radius of hydrogen atom
=
0.5
1
Å
[6-Apr-2023 shift 1]
Your Answer:
Validate
Solution:
👈: Video Solution
r
n
=
0.51
n
2
z
A
0
For
Li
+
+
,
z
=
3
.
So
r
5
=
0.51
×
25
3
×
10
−
10
m
=
17
×
25
×
10
−
12
m
=
425
×
10
−
12
m
© examsnet.com
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