The wavelength of the first spectral line of sodium atom is 5896 A 0 . What is the first excitation potential of the sodium atom?

Given, The wavelength of the first spectral line of the sodium atom, λ = 5896 A 0 = 589 . 6 nm The energy required to excite from the lower energy state to higher energy state is given by, E = h c λ E = 1240 eV - nm 589 . 6 nm = 2 . 1 e V So, the first excitation potential of the sodium atom is 2 . 1 V .

The wavelength of the first spectral line of sodium atom is 5896 A 0 . What is the first excitation potential of the sodium atom?

Given, The wavelength of the first spectral line of the sodium atom, λ = 5896 A 0 = 589 . 6 nm The energy required to excite from the lower energy state to higher energy state is given by, E = h c λ E = 1240 eV - nm 589 . 6 nm = 2 . 1 e V So, the first excitation potential of the sodium atom is 2 . 1 V .

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The wavelength of the first spectral line of sodium atom is $5896 \overset{0}{A}$ . What is the first excitation potential of the sodium atom?

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 25

The first excitation potential of mercury is

4.86 V

. A mercury atom, after absorbing a photon, reaches its first excited state. Find the wavelength of the absorbed photon.

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 26

The first and second excitation potentials of hydrogen atom are respectively

10.2 V and 12.09 V

. Draw, on this basis, the energy-level diagram of the atom and show all possible emission transitions in it and mark their corresponding wavelengths.

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 27

The ionization potential of hydrogen atom is

13.6 V

. In the lowest energy-level, this atom is ionized by absorbing wavelength

800 \overset{0}{A}

. What will be the kinetic energy of the released electron?

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 28

Calculate the wavelength of the first line of the Balmer series of hydrogen. Indicate the transition on an energy-level diagram. What is this line called?

MEDIUM

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 28

Calculate the wavelength of the first line of the Balmer series of hydrogen. Indicate the transition on an energy-level diagram. What is this line called? Does it lie in the visible region of the electro-magnetic spectrum?

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 29

Calculate the wavelengths of the third and fifth spectral lines of Paschen series in hydrogen spectrum when

E = \frac{- (2.18 \times 10^{- 18})}{n^{2}}

joule.

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 30

Calculate the wavelength of the first lines of Balmer, Lyman and Paschen series.

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ISC Physics Class 12, Part-2>Chapter 13 - Atom, Origin of Spectra : Bohr's Theory of Hydrogen Atom>QUESTIONS>Q 31

The wavelength of the first line of the Lyman series is

λ

. What will be the wavelength of the first line of the Balmer series in terms of

λ

The wavelength of the first spectral line of sodium atom is 5896A0. What is the first excitation potential of the sodium atom?

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

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The wavelength of the first spectral line of sodium atom is $5896 \overset{0}{A}$ . What is the first excitation potential of the sodium atom?