COLLEGE PHYSICS:STRAT.APP.TECH.UPD.-PKG
3rd Edition
ISBN: 9780134568430
Author: Knight
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 28, Problem 35MCQ
To determine
The correct option.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
1. An ultrashort pulse has a duration of 7.2 fs and produces light at a wavelength of 522 nm. What are the momentum and momentum uncertainty of a single photon in the pulse?
2. (a) An electron moves with a speed of 4.5 × 106 m/s. What is its de Broglie wavelength? (b) A proton moves with the same speed. Determine its de Broglie wavelength
Photon P shown moves an electron from energy level n = 1 to energy level n = 3. The electron jumps down to n = 2, emitting photon Q, and then jumpsdown to n = 1, emitting photon R. The spacing between energy levels is drawn to scale. What is the correct relationship among the wavelengths of the photons?A. λP < λQ < λR B. λR < λP < λQC. λQ < λP < λR D. λR < λQ < λP
A photon with wavelength of 0.1100 nmnm collides with a free electron that is initially at rest. After the collision, the photon's wavelength is 0.1142 nmnm.
A) What is the kinetic energy of the electron after the collision?
Express your answer in electronvolts.
B) What is the speed of the electron after the collision?
Express your answer with the appropriate units.
C) If the electron is suddenly stopped (for example, in a solid target), all of its kinetic energy is used to create a photon. What is the wavelength of this photon?
Express your answer with the appropriate units.
Chapter 28 Solutions
COLLEGE PHYSICS:STRAT.APP.TECH.UPD.-PKG
Ch. 28 - Prob. 1CQCh. 28 - Prob. 2CQCh. 28 - Prob. 3CQCh. 28 - Prob. 4CQCh. 28 - Prob. 5CQCh. 28 - Prob. 6CQCh. 28 - Prob. 7CQCh. 28 - Prob. 8CQCh. 28 - Prob. 9CQCh. 28 - Prob. 10CQ
Ch. 28 - Prob. 11CQCh. 28 - Prob. 12CQCh. 28 - Prob. 13CQCh. 28 - Prob. 14CQCh. 28 - Prob. 15CQCh. 28 - Prob. 16CQCh. 28 - Prob. 17CQCh. 28 - Prob. 18CQCh. 28 - Prob. 19CQCh. 28 - Prob. 20CQCh. 28 - Prob. 21CQCh. 28 - Prob. 22CQCh. 28 - Prob. 23CQCh. 28 - Prob. 24CQCh. 28 - Prob. 25CQCh. 28 - Prob. 26MCQCh. 28 - Prob. 27MCQCh. 28 - Prob. 28MCQCh. 28 - Prob. 29MCQCh. 28 - Prob. 30MCQCh. 28 - Prob. 31MCQCh. 28 - Prob. 32MCQCh. 28 - Prob. 33MCQCh. 28 - Prob. 34MCQCh. 28 - Prob. 35MCQCh. 28 - Prob. 1PCh. 28 - Prob. 2PCh. 28 - Prob. 3PCh. 28 - Prob. 4PCh. 28 - Prob. 5PCh. 28 - Prob. 6PCh. 28 - Prob. 7PCh. 28 - Prob. 8PCh. 28 - Prob. 9PCh. 28 - Prob. 10PCh. 28 - Prob. 11PCh. 28 - Prob. 12PCh. 28 - Prob. 13PCh. 28 - Prob. 14PCh. 28 - Prob. 15PCh. 28 - Prob. 16PCh. 28 - Prob. 17PCh. 28 - Prob. 18PCh. 28 - Prob. 19PCh. 28 - Prob. 20PCh. 28 - Prob. 21PCh. 28 - Prob. 22PCh. 28 - Prob. 23PCh. 28 - Prob. 24PCh. 28 - Prob. 25PCh. 28 - Prob. 26PCh. 28 - Prob. 27PCh. 28 - Prob. 28PCh. 28 - Prob. 29PCh. 28 - Prob. 30PCh. 28 - Prob. 31PCh. 28 - Prob. 32PCh. 28 - Prob. 33PCh. 28 - Prob. 34PCh. 28 - Prob. 35PCh. 28 - Prob. 36PCh. 28 - Prob. 37PCh. 28 - Prob. 38PCh. 28 - Prob. 39PCh. 28 - Prob. 40PCh. 28 - Prob. 41PCh. 28 - Prob. 42PCh. 28 - Prob. 43PCh. 28 - Prob. 44PCh. 28 - Prob. 45PCh. 28 - Prob. 46PCh. 28 - Prob. 47PCh. 28 - Prob. 48PCh. 28 - Prob. 49PCh. 28 - Prob. 50GPCh. 28 - Prob. 51GPCh. 28 - Prob. 52GPCh. 28 - Prob. 53GPCh. 28 - Prob. 54GPCh. 28 - Prob. 55GPCh. 28 - Prob. 56GPCh. 28 - Prob. 57GPCh. 28 - Prob. 58GPCh. 28 - Prob. 59GPCh. 28 - Prob. 60GPCh. 28 - Prob. 61GPCh. 28 - Prob. 62GPCh. 28 - Prob. 63GPCh. 28 - Prob. 64GPCh. 28 - Prob. 65GPCh. 28 - Prob. 66GPCh. 28 - Prob. 67GPCh. 28 - Prob. 68GPCh. 28 - Prob. 69GPCh. 28 - Prob. 70GPCh. 28 - Prob. 71GPCh. 28 - Prob. 72GPCh. 28 - Prob. 73GPCh. 28 - Prob. 74GPCh. 28 - Prob. 75GPCh. 28 - Prob. 76GPCh. 28 - Prob. 77GPCh. 28 - Prob. 78GPCh. 28 - Prob. 79GPCh. 28 - Prob. 80GPCh. 28 - Prob. 81GPCh. 28 - Prob. 82GPCh. 28 - Prob. 83GPCh. 28 - Prob. 84GPCh. 28 - Prob. 85MSPPCh. 28 - Prob. 86MSPPCh. 28 - Prob. 87MSPPCh. 28 - Prob. 88MSPP
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
- A 600-nm light falls on a photoelectric surface and electrons with the maximum kinetic energy of 0.17 eV are emitted. Determine (a) the work function and (b) the cutoff frequency of the surface. (c) What is the stopping potential when the surface is illuminated with light of wavelength 400 nm?arrow_forwardAs part of an electron diffraction experiment, electrons are accelerated from rest across a potential difference of 100 V. The beam of electrons is then directed at a diffraction grating with 1000 lines/mm, and the resulting pattern is detected on a phosphorescent screen 0.25 m away from the grating. a) whats the speed of the electrons as they reach the diffraction grating? b) whats the wavelength of the electrons? c) what is the distance at which one would observe the 2nd maxima on the screen, as measured from the central maxima?arrow_forwardThe work function of lithium is W0 = 2.93 eV. (a) What is the maximum wavelength of incident light for which photoelectrons will be released from lithium? m(b) What is the minimum frequency of incident light, called the cutoff frequency, for which photoelectrons will be released from lithium? Hz(c) What is the maximum kinetic energy of photoelectrons emitted by lithium if 8.30-eV photons strike its surface? eVarrow_forward
- Barium has a work function of 2.48 eV. What is the maximum kinetic energy of electrons if the metal is illuminated by UV light of wavelength 375 nm? What is their speed?arrow_forwardA hydrogen atom transitions from the n = 8 excited state to the n = 4 excited state, emitting a photon. (a) What is the energy, in electron volts, of the photon emitted by the hydrogen atom? eV(b) What is the wavelength of the photon emitted by the hydrogen atom? m(c) What is the frequency of the photon emitted by the hydrogen atom? Hzarrow_forwardA 140-keV photon strikes an electron and scatters through an angle of 120° from its original direction. (melectron = 9.11 × 10-31 kg, c = 3.00× 108 m/s, h = 6.626 × 10-34 J ∙s) (a) What is the wavelength of the photon before scattering? (b) What is the photon wavelength after scattering?arrow_forward
- Two light sources are used in a photoelectric experiment to determine the work function for a particular metal surface. When green light from a mercury lamp (? = 546.1 nm) is used, a stopping potential of 0.726 V reduces the photocurrent to zero. (a) Based on this measurement, what is the work function for this metal? eV(b) What stopping potential would be observed when using light from a red lamp (? = 639.0 nm)? Varrow_forward2. a) What is the maximum kinetic energy and speed of an electron ejected from a Nasurface, in a photo-electric effect apparatus, when the surface is illuminated by light ofwavelength 410 nm? The work function for sodium is 2.28 eV.b) What is the critical frequency below which no electrons are ejected from sodium?c) What is the kinetic energy of electrons emitted when yellow light of λ = 600 nm isincident on Na?d) Sketch a graph of kinetic energy of the ejected electron vs. frequency of incident lightfor the photoelectric effect in sodium. Indicate the work function and critical frequencyon your graph. What is the slope of the graph?arrow_forward1. A system has a ground state energy of 2 eV. The system is in an excited energy state with 10 eV of energy. If the system transitions from the excited energy state to the ground state by emitting 1 eV photons, how many photons are emitted? a. Exactly 8 b. More than 8 c. More than 1 but less than 8 d. Exactly 1 e. There's no way to know for sure 2. In blackbody radiation, the wavelength that has the peak intensity a. Decreases as temperature increases b. Increases as temperature increases c. Doesn't change as temperature increasesarrow_forward
- Light with a single wavelength of 490 nm impacts a metal surface releasing an electrons. How much energy in Joules is in each photo of this light? ________ What is the energy in eV of a photon whose wavelength is 490 nm?________ Light with a single wavelength of 490 nm impacts a metal surface releasing an electrons. If the released electrons each have an energy of 1.9 eV, what is the work function of the metal in eV? _____ f the light source were brought closer to the surface so that the light reaching the surface was brighter which would change? ______arrow_forwardA firefly glows by the direct conversion of chemical energy to light. The light emitted by a firefly has peak intensity at a wavelength of550 nm.a. What is the minimum chemical energy, in eV, required to generate eachphoton?b. One molecule of ATP provides 0.30 eV of energy when it is metabolized in a cell. What is the minimum number of ATP molecules that must be consumed in the reactions that lead to the emission of one photon of 550 nm light?arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- College PhysicsPhysicsISBN:9781285737027Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningCollege PhysicsPhysicsISBN:9781305952300Author:Raymond A. Serway, Chris VuillePublisher:Cengage LearningUniversity Physics Volume 3PhysicsISBN:9781938168185Author:William Moebs, Jeff SannyPublisher:OpenStax
College Physics
Physics
ISBN:9781285737027
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
College Physics
Physics
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Cengage Learning
University Physics Volume 3
Physics
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:OpenStax