A filament electron removes a K-shell electron and an M-shell electron fills the vacancy. What is the energy of the K-characteristic photon?K shell: 69.5keVL shell: 12.1keVM shell: 2.82keVa. 54.58keVOb. 66.68keVc. 72.32keVOd. 2.22keVN shell: o.6keVO shell: 0.08keVP shell: 0.008keV

Energy of K shell is =69.5 keV Energy of M shell is = 2.82 keV The energy difference between two…

Answered: A filament electron removes a K-shell…

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter30: Atomic Physics

Section: Chapter Questions

Problem 46PE: (a) If one subshell of an atom has 9 electrons in it, what is the minimum value of l ? (b) What is...

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(a) If one subshell of an atom has 9 electrons in it, what is the minimum value of l ? (b) What is the spectroscopic notation for this atom, if this subshell is part of the n=3 shell?
(a) What is the minimum value of 1 for a subshell that has 11 electrons in it? (b) If this subshell is in the n=5 shell, what is the spectroscopic notation for this atom?
A physicist is watching a 15-kg orangutan at a zoo swing lazily in a tire at the end of a rope. He (the physicist) notices that each oscillation takes 3.00 s and hypothesizes that the energy is quantized. (a) What is the difference in energy in joules between allowed oscillator states? (b) What is the value of n for a state where the energy is 5.00 J? (c) Can the quantization be observed?
(a) How many electrons can be in the n=4 shell? (b) What are its subshells, and how many electrons can be in each?
What is the kinetic energy of a 0.01-nm electron in a TEM?
A color television tube generates some X-rays when its election beam strikes the screen. What is the shortest wavelength of these X-rays, if a 30.0-kV potential is used to accelerate the electrons? (Note that TVs have shielding to prevent these X-rays from exposing viewers.) 78. An X-ray tube has an applied voltage of 100 kV. (a) What is the most energetic X-ray photon it can produce? Express your answer in electron volts and joules, (b) Find the wavelength of such an X-ray.
(a) What is the shortest-wavelength x-ray radiation that can be generated in an x-ray tube with an applied voltage of 50.0 kV? (b) Calculate the photon energy in eV. (c) Explain the relationship of the photon energy to the applied voltage.
(a) List all possible sets of quantum numbers (n,l,ml,ms) for the n=3 shell, and determine the number of electrons that can be in the shell and each of its subshells. (b) Show that the number of electrons in the shell equals 2n2and that the number in each subshell is 2(2l+1).
The maximum characteristic x-ray photon energy comes from the capture of a free electron into a K shell vacancy. What is this photon energy in keV for tungsten, assuming the free electron has no initial kinetic energy?
A singly ionized helium ion has only one electron and is denoted He+. What is the ion's radius in the ground state compared to the Bohr radius of hydrogen atom?
(a) Calculate the number of photoelectrons per second ejected from a 1.00-mm2 area of sodium metal by 500-nm M radiation having an intensity of 1.30 kW/m2 (the intensity of sunlight above the Earth's atmosphere). (b) Given that the binding energy is 2.28 eV, what power is carried away by the electrons? (c) The electrons carry away less power than brought in by the photons. Where does the other power go? How can it be recovered?
(a) Using the Pauli exclusion principle and the rules relating the allowed values of the quantum numbers (n,l,ml,ms), prove that the maximum number of electrons in a subshell is 2n2. (b) In a similar manner, prove that the maximum number of electrons in a shell is 2n2.

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A filament electron removes a K-shell electron and an M-shell electron fills the vacancy. What is the energy of the K- characteristic photon? K shell: 69.5keV L shell: 12.1keV M shell: 2.82keV a. 54.58keV Ob. 66.68keV c. 72.32keV Od. 2.22keV N shell: o.6keV O shell: 0.08keV P shell: 0.008keV