COLLEGE PHYSICS
2nd Edition
ISBN: 9781464196393
Author: Freedman
Publisher: MAC HIGHER
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Question
Chapter 26, Problem 80QAP
To determine
The
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
SEATWORK 1
• Using the periodic table of elements. Determine the atomic number
and predict the name of element and element symbol from the given
number of electrons.
Number of Electrons
Atomic Number
Element name
Element Symbol
29
30
19
14
26
LET US TRY THIS
Fill in what is missing in the Zapen table.
Element
(p+)
(e-)
(nº)
Symbol
Mg
12
24
Al
13
14
16
32
SEATWORK 2
Element
Z
A
(p+)
(e-)
(nº)
Symbol
Са
20
40
9.
10
(b) According to Bohr's atomic model, a one-electron system is described by the atomic number Z
and the speed vn of the electron at a radius m in the n-th quantum orbit:
Z.e²
1
h²
€0
Vn
=
2.h.Eon
rn
•N²
π
●
me e². Z
me
(i) Calculate the radius and the velocity for the first quantum orbit of the single ionised helium
atom.
(ii) Calculate the value for the velocity uncertainty, Avx, of the electron in the singly ionised
helium atom results, if a spatial uncertainty Ax of the electron is assumed to be the diameter
of the first quantum orbit.
(iii) Explain the relationship between simultaneous measurements of Bohr's orbit radius and the
orbit speed on the first quantum orbit.
●
i)
Recall the Photoelectric effect, if an electron has been accelerated through a
potential difference of 100 V then calculate its velocity in m/s.
Chapter 26 Solutions
COLLEGE PHYSICS
Ch. 26 - Prob. 1QAPCh. 26 - Prob. 2QAPCh. 26 - Prob. 3QAPCh. 26 - Prob. 4QAPCh. 26 - Prob. 5QAPCh. 26 - Prob. 6QAPCh. 26 - Prob. 7QAPCh. 26 - Prob. 8QAPCh. 26 - Prob. 9QAPCh. 26 - Prob. 10QAP
Ch. 26 - Prob. 11QAPCh. 26 - Prob. 12QAPCh. 26 - Prob. 13QAPCh. 26 - Prob. 14QAPCh. 26 - Prob. 15QAPCh. 26 - Prob. 16QAPCh. 26 - Prob. 17QAPCh. 26 - Prob. 18QAPCh. 26 - Prob. 19QAPCh. 26 - Prob. 20QAPCh. 26 - Prob. 21QAPCh. 26 - Prob. 22QAPCh. 26 - Prob. 23QAPCh. 26 - Prob. 24QAPCh. 26 - Prob. 25QAPCh. 26 - Prob. 26QAPCh. 26 - Prob. 27QAPCh. 26 - Prob. 28QAPCh. 26 - Prob. 29QAPCh. 26 - Prob. 30QAPCh. 26 - Prob. 31QAPCh. 26 - Prob. 32QAPCh. 26 - Prob. 33QAPCh. 26 - Prob. 34QAPCh. 26 - Prob. 35QAPCh. 26 - Prob. 36QAPCh. 26 - Prob. 37QAPCh. 26 - Prob. 38QAPCh. 26 - Prob. 39QAPCh. 26 - Prob. 40QAPCh. 26 - Prob. 41QAPCh. 26 - Prob. 42QAPCh. 26 - Prob. 43QAPCh. 26 - Prob. 44QAPCh. 26 - Prob. 45QAPCh. 26 - Prob. 46QAPCh. 26 - Prob. 47QAPCh. 26 - Prob. 48QAPCh. 26 - Prob. 49QAPCh. 26 - Prob. 50QAPCh. 26 - Prob. 51QAPCh. 26 - Prob. 52QAPCh. 26 - Prob. 53QAPCh. 26 - Prob. 54QAPCh. 26 - Prob. 55QAPCh. 26 - Prob. 56QAPCh. 26 - Prob. 57QAPCh. 26 - Prob. 58QAPCh. 26 - Prob. 59QAPCh. 26 - Prob. 60QAPCh. 26 - Prob. 61QAPCh. 26 - Prob. 62QAPCh. 26 - Prob. 63QAPCh. 26 - Prob. 64QAPCh. 26 - Prob. 65QAPCh. 26 - Prob. 66QAPCh. 26 - Prob. 67QAPCh. 26 - Prob. 68QAPCh. 26 - Prob. 69QAPCh. 26 - Prob. 70QAPCh. 26 - Prob. 71QAPCh. 26 - Prob. 72QAPCh. 26 - Prob. 73QAPCh. 26 - Prob. 74QAPCh. 26 - Prob. 75QAPCh. 26 - Prob. 76QAPCh. 26 - Prob. 77QAPCh. 26 - Prob. 78QAPCh. 26 - Prob. 79QAPCh. 26 - Prob. 80QAPCh. 26 - Prob. 81QAPCh. 26 - Prob. 82QAPCh. 26 - Prob. 83QAPCh. 26 - Prob. 84QAPCh. 26 - Prob. 85QAPCh. 26 - Prob. 86QAPCh. 26 - Prob. 87QAPCh. 26 - Prob. 88QAPCh. 26 - Prob. 89QAPCh. 26 - Prob. 90QAPCh. 26 - Prob. 91QAPCh. 26 - Prob. 92QAPCh. 26 - Prob. 93QAPCh. 26 - Prob. 94QAPCh. 26 - Prob. 95QAPCh. 26 - Prob. 96QAPCh. 26 - Prob. 97QAPCh. 26 - Prob. 98QAPCh. 26 - Prob. 99QAPCh. 26 - Prob. 100QAPCh. 26 - Prob. 101QAPCh. 26 - Prob. 102QAPCh. 26 - Prob. 103QAPCh. 26 - Prob. 104QAP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- 3) In Millikan’s oil drop experiment an oil drop with N additional electrons and mass m is subjected to an electric field E. It is observed that the oil drop is moving downward at constant velocity v. The friction force on the electron is kv. Gravity is negligible. a) Draw a figure and show the directions of the friction force Ff and the electric force Fe. b) Find the charge q of the oil drop in terms of k, v and E. c) Find the number of electrons N on the oil drop in terms of k,v, E and e.arrow_forward2. An electron in an energy level of an atom moves in a circular path around a nucleus. The radius of the path is 1.2 x 10-11 m and the speed of the electron is 1.03 x 107 ms-1 (a) Find the centripetal acceleration of the electron. (b) Which experiences the greater force - the electron or the nucleus? (c) Find the magnitude of the force causing centripetal acceleration. (d) What is the nature of the force causing centripetal acceleration? 1.03 x67 (e) Determine the number of protons in the nucleus of the atom.arrow_forward9. • Make a list of the four quantum numbers n, l, m, and s for each of the 12 electrons in the ground state of the magnesium atom.arrow_forward
- • What length of a 7.7-mW laser’s beam will contain 9.5 mJ ofenergy?arrow_forwardAn electron revolves around the nucleus of an atom in a circular orbit of radius 4.0Å with a speed of 6.0 x 10^6 ms-1. Calculate the linear kinetic energy.arrow_forward•19 O Figure 39-28a shows the energy-level diagram for a fi- nite, one-dimensional energy well that contains an electron. The nonquantized region begins at E= 450.0 eV. Figure 39-28b gives the absorption spectrum of the electron when it is in the ground state-it can absorb at the indicated wavelengths: A=14.588 nm and Ag = 4.8437 nm and for any wavelength less than A, = 2.9108 nm. What is the energy of the first excited state? %3D - Nonquantized E4 Es E2 (b) (a) Energyarrow_forward
- S Physics: Section 50-4 | Sch x S Physics AB - Final review X S Physics: Section 50-4 | Sch x ← → aldine.schoology.com/assignment/5938514670/assessment AldinelSD.org Bookmarks G Google Image Resu... Gi have one in spanis.... S Solving Absolute V... 10 D Miles away from home 9. 8- 24 1 A B C 0 8:00 9:00 10:00 Time miles. The total distance travelled by the object is The net displacement (Ax) of the object is Displacement (Ax) of the object between 8:00 and 9:30 is Displacement (Ax) of the object between 8:00 and 12:30 is Word Bank: 11:00 Login Home | Schoology 12:00 miles. E 13:00 miles. miles. Physics chapter 6 Flashcar X + Q * X ⠀ Reading listarrow_forward2 D -e Physical constants (A) (in m) Bohr Model mv² - h = 6.626 x 10-34 Js; Ke² = 2.307 x 10-28 Jm; m = 9.11 x 10-31 kg. The old Bohr model of the hydrogen atom was based on... (1) the assumption that the electron travels on a circle (A) What is the radius of the orbit with n = 5? (B) What is the speed of the orbit with n = 5? Ke² ra and obeys Newton's second law, and (2) the hypothsis that angular momentum is quantized. For the Bohr model, (1) mvr = n (2) 27 OA: 2.774x10-10 OB: 3.468x10-10 OC: 4.334x10-10 OD: 5.418x10-10 DE: 6.773x10-10 OF: 8.466x10-10 OG: 1.058x109 OH: 1.323x10-9 Submit Answer Tries 0/20arrow_forward73 Consider a conduction electron in a cubical crystal of a con- ducting material. Such an electron is free to move throughout the volume of the crystal but cannot escape to the outside. It is trapped in a three-dimensional infinite well. The electron can move in three dimensions, so that its total energy is given by h2 -(n} + n} + n}), E = 8L?m in which n1, n2, and n; are positive integer values. Calculate the en- ergies of the lowest five distinct states for a conduction electron moving in a cubical crystal of edge length L = 0.25 µm.arrow_forward
- 68 A muon of charge -e and mass m = 207m. (where m, is the т mass of an electron) orbits the nucleus of a singly ionized helium atom (He*). Assuming that the Bohr model of the hydrogen atom can be applied to this muon-helium system, verify that the energy levels of the system are given by 11.3 keV E = n-arrow_forward72 A beam of electrons whose kinetic energy is K emerges from a thin-foil "window" at the end of an accelerator tube. A metal plate at dis- tance d from this window is perpendi- window. cular to the direction of the emerging beam (Fig. 28-53). (a) Show that we Tube can prevent the beam from hitting the plate if we apply a uniform mag- Foil Electron beam Plate Figure 28-53 Problem 72. netic field such that 2 mK B z. in which m and e are the electron mass and charge. (b) How should B be oriented?arrow_forwardThe radius of circular electron orbits in the Bohr model of the hydrogen atom are given by (5.29 1011 m)n2, where n is the electron's energy level (Fig. P6.79). The speed of the electron in each energy level is (c/137n), where c = 3 108 m/s is the speed of light in vacuum, a. What is the centripetal acceleration of an electron in the ground state (n = 1) of the Bohr hydrogen atom? b. What are the magnitude and direction of the centripetal force acting on an electron in the ground state? c. What are the magnitude and direction of the centripetal force acting on an electron in the n = 2 excited state?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
University Physics Volume 3PhysicsISBN:9781938168185Author:William Moebs, Jeff SannyPublisher:OpenStax
University Physics Volume 1PhysicsISBN:9781938168277Author:William Moebs, Samuel J. Ling, Jeff SannyPublisher:OpenStax - Rice University
College PhysicsPhysicsISBN:9781938168000Author:Paul Peter Urone, Roger HinrichsPublisher:OpenStax College
College PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning
University Physics Volume 3
Physics
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:OpenStax
University Physics Volume 1
Physics
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:OpenStax - Rice University
College Physics
Physics
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:OpenStax College
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
Physics for Scientists and Engineers: Foundations...
Physics
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Cengage Learning
Electric Fields: Crash Course Physics #26; Author: CrashCourse;https://www.youtube.com/watch?v=mdulzEfQXDE;License: Standard YouTube License, CC-BY