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Tardigrade
Question
Physics
In hydrogen atom, an electron is revolving in the orbit of radius 0.53 overset texto mathop textA with 6.6 × 1015 rotation/s. Magnetic field produced at the centre of the orbit is
Q. In hydrogen atom, an electron is revolving in the orbit of radius
0.53
A
o
with
6.6
×
10
15
rotation/s. Magnetic field produced at the centre of the orbit is
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202
Rajasthan PMT
Rajasthan PMT 2010
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A
0.125
Wb
/
m
2
B
1.25
Wb
/
m
2
C
12.5
Wb
/
m
2
D
125
Wb
/
m
2
Solution:
The magnetic field at the centre of the orbit
B
=
4
π
μ
0
⋅
r
2
π
(
q
v
)
=
10
−
7
×
0.53
×
10
−
10
2
×
3.14
×
(
1.6
×
10
−
19
×
6.6
×
10
15
)
=
12.5
Wb
/
m
3