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Bohr model: energy, radius, velocity, ionisation energy
NEET level
Single correct option
Difficulty 1 of 3
as060
The speed of the electron in the second Bohr orbit of hydrogen, compared with its speed in the first orbit, is
A
4
1
B
2
C
4
D
2
1
Answer: D
Orbital speed
v
n
∝
Z
/
n
, so
v
2
/
v
1
=
1/2
.
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