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JEE Main 24 June 2022 Shift 2 Solved Paper
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© examsnet.com
Question : 50
Total: 90
In Bohr's atomic model of hydrogen, let K,
P
and
E
are the kinetic energy, potential energy and total energy of the electron respectively. Choose the correct option when the electron undergoes transitions to a higher level :
[24-Jun-2022-Shift-2]
All K, P and E increase.
K
decreases,
P
and
E
increase.
P
decreases,
K
and
E
increase.
K
increases,
P
and
E
decrease.
Validate
Solution:
T
.
E
.
=
−
Z
2
m
e
4
8
(
n
h
ε
0
)
2
P
.
E
.
=
−
Z
2
m
e
4
4
(
n
h
ε
0
)
2
K
.
E
.
=
Z
2
m
e
4
8
(
n
h
ε
0
)
2
As electron makes transition to higher level, total energy and potential energy increases (due to negative sign) while the kinetic energy reduces.
© examsnet.com
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