Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN: 9781337553292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 39, Problem 15P
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I have a physics question as follows: After a 0.777 nm x-ray photon scatters from a free electron, the electron recoils at 1.30 106 m/s.(a) What is the Compton shift in the photon's wavelength?(b) Through what angle is the photon scattered?
The work function of tungsten is 4.5 eV. What is the photoelectric threshold wavelength for tungsten? What type of radiation is this? h = 4.136 x 10-15 eV.s c = 3.0 x 108 m/s
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Chapter 39 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 39.1 - Prob. 39.1QQCh. 39.2 - Prob. 39.2QQCh. 39.2 - Prob. 39.3QQCh. 39.2 - Prob. 39.4QQCh. 39.3 - Prob. 39.5QQCh. 39.5 - Prob. 39.6QQCh. 39.6 - Prob. 39.7QQCh. 39 - Prob. 1PCh. 39 - Prob. 2PCh. 39 - Prob. 3P
Ch. 39 - Prob. 4PCh. 39 - Prob. 5PCh. 39 - Prob. 6PCh. 39 - Prob. 8PCh. 39 - Prob. 9PCh. 39 - Prob. 10PCh. 39 - Prob. 11PCh. 39 - Prob. 12PCh. 39 - Prob. 13PCh. 39 - Prob. 15PCh. 39 - Prob. 16PCh. 39 - Prob. 17PCh. 39 - Prob. 18PCh. 39 - Prob. 19PCh. 39 - Prob. 20PCh. 39 - Prob. 22PCh. 39 - Prob. 23PCh. 39 - Prob. 24PCh. 39 - Prob. 25PCh. 39 - Prob. 26PCh. 39 - Prob. 27PCh. 39 - Prob. 30PCh. 39 - Prob. 31PCh. 39 - Prob. 32PCh. 39 - Prob. 33PCh. 39 - Prob. 35PCh. 39 - Prob. 37PCh. 39 - Prob. 38PCh. 39 - Prob. 39PCh. 39 - Prob. 40APCh. 39 - Prob. 41APCh. 39 - Prob. 43APCh. 39 - Prob. 44APCh. 39 - Prob. 45APCh. 39 - Prob. 46APCh. 39 - Prob. 47CPCh. 39 - Prob. 48CPCh. 39 - Prob. 49CPCh. 39 - Prob. 50CP
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- In a photoelectric effect experiment, electrons emerge from a copper surface with a maximum kinetic energy of 1.10 eV when light shines on the surface. The work function of copper is 4.65 eV. Which one of the following values is closest to the wavelength of the light? (h = 6.626 × 10-34 J ∙ s, c = 3.00 × 108 m/s, 1 eV = 1.60 × 10-19 J) Group of answer choices 220 nm 1100 nm 150 nm 360 nmarrow_forward(a) A proton has a slightly smaller mass than a neutron. Compared to the neutron described in Example 39.2, would a proton of the same wavelength have (i) more kinetic energy; (ii) less kinetic energy; or (iii) the same kinetic energy? (b) Example 39.1 shows that to give electrons a wavelength of 1.7 * 10^-10 m, they must be accelerated from rest through a voltage of 54 V and so acquire a kinetic energy of 54 eV. Does a photon of this same energy also have a wavelength of 1.7 * 10^-10 m ?arrow_forwardA photon with an energy of 2.24 eV strikes a photoemissive surface whose work function is 1.57 eV. Calculate the threshold frequency for the surface. 1.68 E 14 Hz 3.79 E 14 Hz 5.04 E 14 Hz 7.25 E 14 Hzarrow_forward
- A light beam of wavelength 460 nm and intensity 180 W/m^2 shines on a target of area 1.69 m^2 for a duration of 4.25 s. How many photons from the light beam will have struck the target during this time?arrow_forwardthanks. The work function of sodium is 2.3 eV. What is the longest wavelength that can cause photoelectric emission? What should be the stopping potential if the sodium atom is illuminated by light of λ = 400 nm?arrow_forwardA 100 W sodium lamp (l = 589 nm) radiates energy uniformly in all directions. (a) At what rate are photons emitted by the lamp? (b) At what distance from the lamp will a totally absorbing screen absorb photons at the rate of 1.00 photon/cm2 s? (c) What is the photon flux (photons per unit area per unit time) on a small screen 2.00 m from the lamp?arrow_forward
- In a photoelectric effect experiment, metal A with work function 5.47 eV absorbs monochromatic light and emits electrons that carry initial kinetic energy 2.77 eV. In another trial, metal B absorbs light with the same frequency but double intensity and emits electrons that carry initial kinetic energy 2.93 eV, what is the work function of metal B (in en?arrow_forwardConsider a photon with wavelength 0.011 nm. l = 0.011 nm What is the momentum of the photon in kg m/s? What is its energy in MeV?arrow_forwardThe work function of a certain material is 4.9 eV. What is the photoelectric minimum (threshold) frequency for this material? A. 1.18 x 1015 Hz B. 2.23 x 1015 Hz C. 9.01 x 1014 Hz D. 3.48 x 1015 Hz E. 2.56 x 1015 Hzarrow_forward
- H5. A Ti:Sapphire laser has a wavelength of 1200 nm and a pulse of duration 12 fs. If the total energy of the pulse is 2.4 J how many photons are emitted in one pulse? Group of answer choices 1.6 × 1017 3.2 × 1017 9.9 × 1019 1.45 x 1019 4.8 × 1019 A flat plane mirrors will make an image which Group of answer choices are always the same size as the actual object. could be smaller, larger, or the same size as the actual object, depending on the placement of the object. are always larger than the actual object. are always smaller than the actual object.arrow_forwardI have a physics question as follows: An isolated copper sphere of radius 5.55 cm, initially uncharged, is illuminated by ultraviolet light of wavelength 247 nm. The work function for copper is 4.70 eV. What charge does the photoelectric effect induce on the sphere?arrow_forwardIf the work function of a metal is 3.2 eV, what is the maximum wavelength that a photon can have to eject a photoelectron from this metal surface?arrow_forward
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