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Tardigrade
Question
Physics
Speed of an electron in Bohr's 7 text th orbit for Hydrogen atom is 3.6 × 106 m / s. The corresponding speed of the electron in 3 text rd orbit, in m / s is :
Q. Speed of an electron in Bohr's
7
th
orbit for Hydrogen atom is
3.6
×
1
0
6
m
/
s
. The corresponding speed of the electron in
3
rd
orbit, in
m
/
s
is :
922
128
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Atoms
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A
(
3.6
×
1
0
6
)
10%
B
(
7.5
×
1
0
6
)
21%
C
(
1.8
×
1
0
6
)
28%
D
(
8.4
×
1
0
6
)
41%
Solution:
V
n
∝
n
Z
Z
=
1
,
∴
V
n
∝
n
1
∴
V
7
V
3
=
3
7
∴
V
3
=
3
7
V
7
=
3
7
×
3.6
×
1
0
6
m
/
s
=
8.4
×
1
0
6
m
/
s