Universe
Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 5, Problem 38Q

(a)

To determine

The wavelength of PΔ (P-delta), which is the fourth wave-length in the Paschen series.

(b)

To determine

A schematic diagram of the hydrogen atom and indicate the electron transition, which results in this spectral line.

(c)

To determine

The region of the electromagnetic spectrum in which the fourth wavelength of the Paschen series lies.

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Students have asked these similar questions
Q) A hydrogen atom emits radiation as a result of an electron transition to a lower energy level. Determine the highest frequency possible due to this transition if the atom emits a series of lines that lie in the visible part of the spectrum. Then, if the electron ends up in n = 1 level, prove that the atom emits a series of lines of wavelength that are not in the visible part of the spectrum.
(A) The electron in a hydrogen atom makes a transition from a higher energy level to the ground level (n = 1). Find the wavelength and frequency of the emitted photon if the higher level is n = 2. (B) Suppose the atom is initially in the higher level corresponding to n = 5. What is the wavelength of the photon emitted when the atom drops from n = 5 to n = 1?(C) What is the radius of the electron orbit for a hydrogen atom for which n = 5? (D) How fast is the electron moving in a hydrogen atom for which n = 5?
(d) A singly ionised helium atom emits light at wavelengths of 230.6nm and 541nm. Identify the transitions that result in those spectral lines. (e) Identify which of the following term symbols are and aren't valid for states in Hydrogen, stating reasons for your answers. (i) 2s1/2; (ii) 2s3/2; (iii) 3p1/2; (iv) 3d1/2; (v) 2d5/2.
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