In the operation of a helium-neon laser, why is it important that the metastable state in the helium atom closely match the energy level of a more-difficult-to- come-by metastable state in neon?

Q: A photon emitted as a hydrogen atom undergoes a transition from the n = 7 state to the n = 2 state.…

A: Energy is given by  E=(1n22-1n32)13.6

Q: Calculate the minimum amount of energy in joules needed to create a population inversion in a…

A:

Q: If we have a hydrogen atom with its electron in the d state? Then the principal quantum number is n…

A: The principle quantum number n  is given for the principle shell K,L,M,N . For K shell n=1, for L…

Q: If the electron in a hydrogen atom is to make a transition from the first excited state to the…

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Q: Calculate the energy of a photon (in eV) emitted from the transition of an electron from the n = 7…

A:

Q: What is the longest wavelength light capable ofionizing a hydrogen atom in the ground state?

A: Balmer formula, 1λ=RH1nf2-1ni2

Q: What is the energy of the photon that, when absorbed by a hydrogen atom, could cause an electronic…

A: Energy of electron in nth orbit of hydrogen atom is given by : En = -13.6n2 eV

Q: The first electronically excited state of O2 is 1Δg (doubly degenerate) and lies 7918.1 cm−1 above…

A: Given data *The energy of the excited state is E = 7918.1 cm-1 = (7918.1 × 1.986 × 10-23) J = 1.5725…

Q: Calculate the two highest wavelengths of the radiation emitted when hydrogen atoms make transitions…

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Q: An electron in a boron atom makes a transition from the fifth excited state to the third excited…

A: When the electron transition occurs from higher energy level to lower energy level, there will be…

Q: Calculate the shortest wavelength of light emitted in the Paschen series of hydrogen spectrum. Which…

A: For Paschen series, 1λ=R132-1n2 Where R is Rydberg constant. and λ is wavelength For shortest…

Q: A singly ionized helium atom is in the ground state. It absorbs energy and makes a transition to the…

A: The Helium atom returned to the ground state by emitting 6 photons. The possible transitions with…

Q: energy of the photon

A: In electronic transition from one state to another energy gets absorbed or emitted in form of energy…

Q: A hydrogen atom is in 4p state. To what state or states can it go by radiating a photon in an…

A: 4p is an excited state for hydrogen atom .

Q: Consider a hydrogen atom and a singly ionized helium atom. Which atom has the lower ground state…

A:

Q: A hydrogen atom makes a transition from the n=3 level to the n=2 level. It then makes a transition…

A: AnswerTransition from the n=3 level to the n=2 level

Q: Find the first-order Stark effect for a hydrogen atom in the state n=3

A: Let the electric field strength is ε and the unperturbed Hamiltonian is Ho. The perturbed…

Q: Calculate the frequency of the light emitted when an electron in a hydrogen atom makes each…

A: The Rydberg formula for hydrogen is given by, Wave number, 1λ=RH1n12-1n22...(1) Where, λ=Wavelength…

Q: A wavelength of 4.653 μm is observed in a hydrogenspectrum for a transition that ends in the nf = 5…

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Q: Calculate the frequency of the photon absorbed when the electron in a hydrogen atom transitions from…

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Q: Find the wavelength of light given off by a hydrogen atom when its electron drops from the n = 4 to…

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Q: What is the highest possible energy an electron can have as a part of a hydrogen atom?

A: To find:) maximum energy of electron in hydrogen atom

Q: What is the energy of a photon that, when absorbed by a hydrogen atom, could cause an electronic…

A: a)The required energy is,

Q: The energy of the ground state in the Bohr model is -13.6 eV. In a transition from the n = 2 state…

A: Transition is happening from n=2 to n=4.

Q: What is the maximum number of spectral lines emitted by a hydrogen atom when it is in the third…

A: Given: The hydrogen atom is at third excited state that is n=4.   The expression to calculate the…

Q: In a hydrogen atom, suppose an electron goes from the energy level n = 1 to another level.    Going…

A: Given  electron in n=1 level of hydrogen

Q: An atom emits light at various wavelengths, two of which are 404.7 nm and 491.6 nm. Both of these…

A:

Q: Is a spectral line with wavelength 656 nm seen in the absorption spectrum of hydrogen atoms? Why or…

A: According to the given data, the wave length (λ) = 656 nm; When an atomic gas or vapor is excited at…

Q: Calculate the longest wavelength of the photons emitted in the Balmer series of hydrogen spectrum.…

A: Given Data: The Rydberg constant is, R=1.1×107 m-1   The expression for the Rydberg constant formula…

Q: A wavelength of 1083.056 µm is observed in a hydrogen spectrum for a transition that ends in the nf…

A:

Q: Consider an electron is in the level of n= 2 for hydrogen atom. Calculate its angular momentum. (A)…

A: According to Bohr's theory, for electron in energy state n=2 ,   L=mvr  =nh2πL=2h2π   =hπ

Q: The ground state energy of hydrogen atom is -13.6 eV. If an electron makes a transition from an…

A: From the question it is given that  Ground state energy of Hydrogen atom is -13.6 eV.  Transition…

Q: What wavelength of light does a hydrogen atom emit as its excited electron falls from the n = 3…

A: Rydberg formula for the hydrogen is given as1λ=RH(1n22-1n12)Whereλ=Wavelength of spectrumRH=Rydberg…

Q: In a helium atom, which contains two electrons, do youthink that on average the electrons are closer…

A: Electrons of helium atom are closer to nucleus than the electron in hydrogen atom. The electron of…

Q: Why does the transition of Ninitial=4 to Nfinal=5 of a hydrogen atom result in the absorption of the…

A: Required : Why does the transition of Ninitial =4 to Nfinal =5 of a hydrogen atom result in the…

Q: Compute for the energy and wavelength of a hydrogen atom who made a transition from n=7 to n=2.

A:

Q: What is the (a) energy in eV and (b) wavelength in um of a photon that, when absorbed by a hydrogen…

A: Given,

Q: suppose we detect red photons at 102.57 nm emitted by electrons dropping from the n=3 to the n= 1…

A: Using Rydberg expression we have, 1/λ = RZ2 (1/n12 - 1/n22 ) where, λ = wavelength R = Rydberg…

Q: An energy of about 21 eV is required to excite an electron in a helium atom from the 1s state to the…

A: Explanation:

Q: Find the most probable dustance of a 2s electron from the nucleus in a hydrogenic atom

A:

Q: Calculate the shortest and longest wavelengths of Balmer series of hydrogen atom. Given R = 1.097 ×…

A:

Q: Calculate the longest wavelength of the electromagnetic radiation emitted by the hydrogen atom in…

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Q: What is the frequency of the photon emitted by a hydrogen atom when its electron drops from the n =…

A:

The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: