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Byju's Answer
Standard XII
Physics
Hydrogen Spectra
Orbital accel...
Question
Orbital acceleration of electron in first orbit of hydrogen atom is:
A
h
2
π
2
m
2
r
3
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B
h
2
2
π
2
m
2
r
3
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C
h
2
4
π
2
m
2
r
3
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D
h
2
4
π
2
m
2
r
2
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Solution
The correct option is
C
h
2
4
π
2
m
2
r
3
Orbital Angular momentum
m
v
r
=
n
h
2
π
n=1
m
v
r
=
h
2
π
v
=
h
2
π
m
r
v
2
=
(
h
2
π
m
r
)
2
a
=
V
2
r
=
h
2
4
π
2
m
2
r
3
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Similar questions
Q.
The kinetic energy of an electron in the second Bohr orbit of a hydrogen atom is [
a
0
is Bohr radius]:
Q.
The kinetic energy of an electron in the second Bohr orbit of a hydrogen atom is [
a
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Q.
Circumference of the first orbit of hydrogen atom is given by the formula:
[
a
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=
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π
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]
Q.
Assertion : Bond order of
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0.5.
Reason : Electrons are removed from the antibonding molecular orbital from
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.
Q.
The electron of an H-atom is revolving around the nucleus in circular orbit having radius
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with
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. The current produced due to the motion of electron is
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