Questions from Modern Physics


Q: a. The doubly charged ion N2+ is formed by removing

a. The doubly charged ion N2+ is formed by removing two electrons from a nitrogen atom. What is the ground-state electron configuration for the N2+ ion? b. Estimate the energy of the least strongly b...

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Q: a. The energy of the 2s state of lithium is -

a. The energy of the 2s state of lithium is -5.391 eV. Calculate the value of Zeff for this state. b. The energy of the 4s state of potassium is -4.339 eV. Calculate the value of Zeff for this state....

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Q: Estimate the energy of the highest-l state for a

Estimate the energy of the highest-l state for a. the L shell of Be+ and b. the N shell of Ca+.

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Q: A Kα x ray emitted from a sample has an energy of

A Kα x ray emitted from a sample has an energy of 7.46 keV. Of which element is the sample made?

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Q: Calculate the frequency, energy (in keV), and wavelength of

Calculate the frequency, energy (in keV), and wavelength of the Kα x ray for the elements a. calcium (Ca, Z = 20); b. cobalt (Co, Z = 27); c. cadmium (Cd, Z = 48).

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Q: Sketch the wave function for the potential-energy well shown in

Sketch the wave function for the potential-energy well shown in Fig. Q40.26 when E1 is less than U0 and when E3 is greater than U0.

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Q: The energies for an electron in the K, L, and

The energies for an electron in the K, L, and M shells of the tungsten atom are -69,500 eV, -12,000 eV, and -2200 eV, respectively. Calculate the wavelengths of the Kα and Kβ x rays of tungsten.

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Q: For each of the following states of a particle in a three

For each of the following states of a particle in a three dimensional cubical box, at what points is the probability distribution function a maximum: a. nX = 1, nY = 1, nZ = 1 and b. nX = 2, nY = 2,...

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Q: A particle is in the three dimensional cubical box of Section 41

A particle is in the three dimensional cubical box of Section 41.1. For the state nX = 2, nY = 2, nZ = 1, for what planes (in addition to the walls of the box) is the probability distribution function...

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Q: What is the energy difference between the two lowest energy levels for

What is the energy difference between the two lowest energy levels for a proton in a cubical box with side length 1.00 * 10-14 m, the approximate diameter of a nucleus?

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