The energy of an electron in the n th orbit of hydrogen atom is given by E n = - 13 . 6 n 2 eV . Find energy required to take the electron from the ground state to the first excited state.

The energy of n th state of hydrogen is given by E n = - 13 . 6 n 2 eV , Energy of ground state = E 1 = - 13 6 eV r Therefore, the energy of first excites state is given by putting n = 2 , thus we have, E 2 = - 13 . 6 2 2 eE n = - 13 . 6 4 eV = - 3 . 4 eV Therefore, energy to excite the electron from first excited state to the ground state = E = E 2 - E 1 = - 3 . 4 - ( - 13 . 6 ) = 10 . 2 eV

The energy of an electron in the n th orbit of hydrogen atom is given by E n = - 13 . 6 n 2 eV . Find energy required to take the electron from the ground state to the second excited state.

The energy of n th state of hydrogen is given by E n = - 13 . 6 n 2 eV , Energy of ground state = E 1 = - 13 6 eV r Therefore, the energy of second excites state is given by putting n = 3 , thus we have, E 3 = - 13 . 6 3 2 eE n = - 13 . 6 9 eV = - 1 . 51 eV Therefore, energy to excite the electron from ground state to second excited state = E = E 3 - E 1 = - 1 . 51 e V - ( - 13 . 6 eV ) = 12 . 09 e V

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The electron in a given Bohr orbit has a total energy of $- 1.5 eV$ . Calculate its potential energy when electron makes a transition to ground state. Ground state energy is $- 13.6 eV$ .

Important Questions on Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 9

The electron in a given Bohr orbit has a total energy of

- 1.5 eV

. Calculate its wavelength of light emitted when electron makes a transition to ground state. Ground state energy is

- 13.6 eV

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 10

The energy of an electron in the

n

th orbit of hydrogen atom is given by

E_{n} = - (\frac{13.6}{n^{2}}) eV

. Find energy required to take the electron from the ground state to the first excited state.

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12th ICSE

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 10

The energy of an electron in the

n

th orbit of hydrogen atom is given by

E_{n} = - (\frac{13.6}{n^{2}}) eV

. Find energy required to take the electron from the ground state to the second excited state.

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 11

Calculate the frequency of the photon, which can excite the electron to

- 3.4 eV

from

- 13.6 eV

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 12

Two energy levels in an atom are separated by

2.3 eV

. What is the frequency of radiation emitted when the atom transits from the upper to the lower level?

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 13

The energy of an electron in the

n

th state of hydrogen atom is given by

E_{n} = - (\frac{13.6}{n^{2}}) eV

. Calculate the energy and frequency of a photon radiated when the electron de-excites from the first excited state to the ground state. To which spectral series does this photon belong?

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 14

The energy of an electron in the first Bohr orbit of hydrogen atom is

- 22 \times 10^{- 19} J

. Calculate the frequency of the light emitted when the electron makes a transition from second orbit to first orbit.

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 15

The energy of the lowest level of hydrogen atom is

- 13.6 eV

. Calculate the energy, frequency and wavelength of the photon emitted by transition from

n = 4

n = 2

The electron in a given Bohr orbit has a total energy of -1.5 eV. Calculate its potential energy when electron makes a transition to ground state. Ground state energy is -13.6 eV.

Important Questions on Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom

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The electron in a given Bohr orbit has a total energy of $- 1.5 eV$ . Calculate its potential energy when electron makes a transition to ground state. Ground state energy is $- 13.6 eV$ .