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# calculate the orbital period of the electron in the first excited state of hydrogen atom.

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## Calculate the orbital period of the electron in the first excited of hydrogen atom.

Calculate the orbital period of the electron in the first excited of hydrogen atom. ## Calculate the orbital period of the electron in the first excited of hydrogen atom.

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## Answer the Following Question. Calculate the Orbital Period of the Electron in the First Excited State of the Hydrogen Atom.

Answer the Following Question. Calculate the Orbital Period of the Electron in the First Excited State of the Hydrogen Atom. Calculate the orbital period of the electron in the first excited state of the hydrogen atom.

### SOLUTION

r=0.53n2z×10-10 m

for first excited state n = 2

r=0.53221×10-10 r=2.12×10-10 m ν = ν ν0×Zn m/s ν ν=2.188×106×Zn m/s

For first excited state, n = 2, Z = 1 for hydrogen atom

∴ ν = 2.188×106×12 m/s ⇒ ν ν=1.094×106 m/s ∵ Orbital period = ν

2πrν=2×3.14×2.12×10-101.094×106

⇒ Orbital period = 1.22×10-15 sec.

Concept: Bohr’s Model for Hydrogen Atom

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2018-2019 (March) 55/1/1

Q 9.b Q 9.a Q 10

### APPEARS IN

2018-2019 (March) 55/1/1 (with solutions)

Q 9.b | 2 marks

2018-2019 (March) 55/1/3 (with solutions)

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## Calculate the orbital period of the electron in the first excited, state of Hydrogen atom.

Calculate the orbital period of the electron in the first excited, state of Hydrogen atom.

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Calculate the orbital period of the electron in the first excited, state of Hydrogen atom.

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Calculate the orbital period of the electron in the first excited, state of Hydrogen atom.

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Velocity Orbital period

The electron in the first excited state that is  and

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