Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Videos
Textbook Question
Chapter 15.10, Problem 33AAP
A semiconductor emits green visible radiation at a wavelength of 0.520 μm. What is the energy level from which photons drop to the valence band in order to give off this type of radiation?
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solution
Students have asked these similar questions
Calculate the energy of a photon of electromagnetic radiation at the wavelengths: 0.052 nm (wavelength contained in medical X-rays)
Calculate the energy of a photon of light with a frequency of
4.35E 14 Hz. (Planck's constant: h =
6.63 E-34 Js)
X-rays of wavelength λ= 0.200 nm are scattered from a block of material. The scattered x-rays are observed at an angle of 45.0° to the incident beam. (a) Calculate their wavelength. (b) What if the detector is moved so that scattered x-rays are detected at an angle larger than 90°? Does the wavelength of the scattered x-rays increase or decrease as the angle Ɵ increases?
Chapter 15 Solutions
Foundations of Materials Science and Engineering
Ch. 15.10 - Write the equation relating the energy of...Ch. 15.10 - Prob. 2KCPCh. 15.10 - Prob. 3KCPCh. 15.10 - Prob. 4KCPCh. 15.10 - Prob. 5KCPCh. 15.10 - Explain why metals absorb and/or reflect incident...Ch. 15.10 - Prob. 7KCPCh. 15.10 - Prob. 8KCPCh. 15.10 - Prob. 9KCPCh. 15.10 - Prob. 10KCP
Ch. 15.10 - Prob. 11KCPCh. 15.10 - Prob. 12KCPCh. 15.10 - Prob. 13KCPCh. 15.10 - Prob. 14KCPCh. 15.10 - Prob. 15KCPCh. 15.10 - Prob. 16KCPCh. 15.10 - What are the basic elements of an optical-fiber...Ch. 15.10 - Prob. 18KCPCh. 15.10 - Explain how optical fibers act as waveguides.Ch. 15.10 - Prob. 20KCPCh. 15.10 - Prob. 21KCPCh. 15.10 - Prob. 22KCPCh. 15.10 - Prob. 23KCPCh. 15.10 - Prob. 24KCPCh. 15.10 - Prob. 25KCPCh. 15.10 - Why are type I superconductors poor...Ch. 15.10 - Prob. 27KCPCh. 15.10 - Prob. 28KCPCh. 15.10 - Prob. 29KCPCh. 15.10 - Prob. 30KCPCh. 15.10 - Prob. 31KCPCh. 15.10 - Prob. 32AAPCh. 15.10 - A semiconductor emits green visible radiation at a...Ch. 15.10 - Prob. 34AAPCh. 15.10 - Calculate the reflectivity of ordinary light from...Ch. 15.10 - Prob. 36AAPCh. 15.10 - Prob. 37AAPCh. 15.10 - Prob. 38AAPCh. 15.10 - Prob. 39AAPCh. 15.10 - Prob. 40AAPCh. 15.10 - Prob. 41AAPCh. 15.10 - Prob. 42AAPCh. 15.10 - Prob. 43AAPCh. 15.10 - Prob. 44AAPCh. 15.10 - Prob. 45AAPCh. 15.10 - Prob. 46AAPCh. 15.10 - Prob. 47AAPCh. 15.10 - Prob. 48AAPCh. 15.10 - Prob. 49AAPCh. 15.10 - Prob. 50AAPCh. 15.10 - Prob. 51AAPCh. 15.10 - Prob. 52SEPCh. 15.10 - Prob. 53SEPCh. 15.10 - Prob. 54SEPCh. 15.10 - Prob. 55SEPCh. 15.10 - Prob. 56SEP
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.Similar questions
- What is the wavelength of a photon that has three times as much energy as that of a photon whose wavelength is 779 nm? (260 nm)arrow_forwardThe speed of light is 186,000 miles per second and the sun, on average is 93 million miles from the earth. How long, in minutes, does it take for a photon of light to get from the sun to the earth?arrow_forwardThe band gap in silicon is 1.12 eV. Calculate the maximum wavelength of electromagnetic radiation that results in promotion of electrons from the valence to the conduction band.arrow_forward
- Your answer is partially correct. A laser emits 4.07 × 1019 photons per second in a beam of light that has a diameter of 2.32 mm and a wavelength of 514.5 nm. Determine (a) the average electric field strength and (b) the average magnetic field strength for the electromagnetic wave that constitutes the beam. (a) Number i 0.00493 Units N/C (b) Number i 0.0000000000164 Units Tarrow_forwardwhen an electron and a photon of the same kinetic energy encounter a potential barrier of the same height and width, which one ofarrow_forwardFor a glass equilateral prism, with a base length of 50 mm. If you shine a beam of light through it on an optical path that is initially parallel to the base of the prism, calculate the following. The glass has an absorption coefficient ß of 6.56x10 mm' and a refractive index n of 1.498. The prism is held in air, n = 1. Show your work. a) Calculate the red path length x in mm. b) Calculate the exit angle Og shown on the diagram. c) Calculate the %reflection of the air/glass interface. d) Calculate the %transmission along x accounting for both (A) absorption and (R) reflection. e) Calculate the total % loss due to reflection. ) Calculate the total % loss due to absorption. 60° Not to scale 50 mm 25 mmarrow_forward
- A typical person can detect light with a minimum intensity of 4.0 x10-11 W/m2. For light of this intensity and λ = 550 nm, how many photons enter the eye each second if the pupil is open wide with a diameter of 9.0 mm?arrow_forwardAn atom in a state with l = 1 emits a photon with wavelength 600.000 nm as it decays to a state with l = 0. If the atom is placed in a magnetic field with magnitude B = 2.00 T, what are the shifts in the energy levels and in the wavelength that result from the interaction between the atom’s orbital magnetic moment and the magnetic field?arrow_forwardDetermine the expected diffraction angle (in degrees) for the first-order reflection from the (310) set of planes for BCC chromium(Cr) when monochromatic radiation of wavelength 0.0711 nm is used. (Rcr= 0.1249nm)arrow_forward
- The energy E of the electron in a hydrogen atom can be calculated from the Bohr formula: R, E- In this equation R, stands for the Rydberg energy, and n stands for the principal quantum number of the orbital that holds the electron. (You can find the value of the Rydberg energy using the Data button on the ALEKS toolbar.) Calculate the wavelength of the line in the emission line spectrum of hydrogen caused by the transition of the electron from an orbital with n=7 to an orbital with n=3. Round your answer to 3 significant digits.arrow_forwardDraw and explain how the “photoelectric effect” is used in a solar panel to power up electrical devices in a building. Label the parts with explanations.arrow_forwardans fast I will upvote a pion going in the X-axis direction (q = 0 loaded, M = 135MeV / c2)it suddenly decays into two photons. One of the photons is + x-axis and the other is -x-axismoving in the direction. The energy difference between the photons is equal to the pion mass. What is the pion speed?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
Elements Of ElectromagneticsMechanical EngineeringISBN:9780190698614Author:Sadiku, Matthew N. O.Publisher:Oxford University Press
Mechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSON
Thermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEY
Mechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage Learning
Engineering Mechanics: StaticsMechanical EngineeringISBN:9781118807330Author:James L. Meriam, L. G. Kraige, J. N. BoltonPublisher:WILEY
Elements Of Electromagnetics
Mechanical Engineering
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Oxford University Press
Mechanics of Materials (10th Edition)
Mechanical Engineering
ISBN:9780134319650
Author:Russell C. Hibbeler
Publisher:PEARSON
Thermodynamics: An Engineering Approach
Mechanical Engineering
ISBN:9781259822674
Author:Yunus A. Cengel Dr., Michael A. Boles
Publisher:McGraw-Hill Education
Control Systems Engineering
Mechanical Engineering
ISBN:9781118170519
Author:Norman S. Nise
Publisher:WILEY
Mechanics of Materials (MindTap Course List)
Mechanical Engineering
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Cengage Learning
Engineering Mechanics: Statics
Mechanical Engineering
ISBN:9781118807330
Author:James L. Meriam, L. G. Kraige, J. N. Bolton
Publisher:WILEY
Understanding Thermal Radiation; Author: The Efficient Engineer;https://www.youtube.com/watch?v=FDmYCI_xYlA;License: Standard youtube license