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Tardigrade
Question
Physics
If the atom 100Fm257 follows the Bohr's model and the radius of last orbit of 100Fm257 is n times the Bohr radius, then find n
Q. If the atom
100
F
m
257
follows the Bohr's model and the radius of last orbit of
100
F
m
257
is n times the Bohr radius, then find n
3060
224
IIT JEE
IIT JEE 2003
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A
100
5%
B
200
4%
C
4
13%
D
1/4
77%
Solution:
(
r
m
)
=
(
Z
m
2
)
(
0.53
A
˚
)
=
(
n
×
0.53
)
A
˚
∴
Z
m
2
=
n
m = 5 for
100
F
m
257
(the outermost shell) and z = 100
∴
n
=
100
(
5
)
2
=
4
1