Exam 38: Atomic Physics

The electron in a singly ionized helium atom,which consists of two protons,two neutrons and only one electron,makes a transition from the n = 2 state to the n = 1 state,emitting a single photon in the process.What is the energy of this photon?

What is the shortest wavelength photon that can be emitted by singly ionized helium (He⁺)?

He⁺ is a helium atom with one electron missing.Treating this like a hydrogen atom,what is the first excited state of this atom?

The Bohr model of hydrogen is based on the quantization of

In the Bohr hydrogen atom,how many antinodes are there in the electron standing wave with a quantum number of 6?

The wavelength of the line of the Lyman group for the hydrogen spectrum is

A UV laser emits light that has a wavelength 350 nm.If 1.23 * 10¹⁸ photons are emitted in 10 ns,what is the power of the laser?

A photon of wavelength 1.17 $\mu$ m is emitted by a He⁺ when the electron jumps from the n = 7 state.What is the final state of the electron?

Find the frequency of light emitted by a hydrogen atom when its electron makes the transition from the n = 5 state to the n = 2 state.

A hydrogen atom is in a quantum state with principal quantum number n = 3.The atom emits a photon with a wavelength of 660 nm.Determine the maximum possible orbital angular momentum of the electron after emission.

What is the energy of the orbiting electron in a hydrogen atom with a quantum number of 45?

About how many photons are emitted per second by a yellow (600 nm)60-mW laser?

In a "muonic" atom an electron is replaced by a muon of mass 105.66 MeV which orbits a proton.What is the ground-state energy of the muon in this type of atom?

For ,which value of m corresponds to a wave function that has its maximum probability in the x-y plane?

The Pfund series results from emission/absorption of photons due to transitions of electrons in a hydrogen to/from the n=5 energy level from/to higher energy levels.What is the shortest wavelength photon emitted in the Pfund series?

A group of hydrogen-like atoms (atoms with only one electron)are in their ground state.Light of increasing intensity is shone at these atoms until the light becomes absorbed by the atoms.The lowest frequency of light when this occurs is 2.22 * 10¹⁶ Hz.What is the ground state energy of these atoms?

A laser (with wavelength of )excites the electron in a hydrogen atom from its ground state to its first excited state.What laser wavelength is required to raise the electron from the first excited state to its next lowest excited state?

What is the angular momentum of an electron in an l = 4 level of the correct quantum mechanical hydrogen atom?

What is the energy of the photon required to knock the electron out of a singly ionized Helium atom where the electron was in the n = 4 state?

For an electron in the ground state of a hydrogen atom,what is the probability of finding that electron within a Bohr radius of the proton? The ground state wave function for hydrogen is .