Foundations of Materials Science and Engineering
6th Edition
ISBN: 9781259696558
Author: SMITH
Publisher: MCG
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 2.9, Problem 37AAP
(a)
To determine
The number of photons of red light needed.
(b)
To determine
The requirement of number of photons of blue light.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
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?
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
T
(a) In an X-ray tube, do you expect the wavelength of the characteristic X-rays to increase, decrease, or stay thesame if the energy of the electrons striking the target is increased?(b) Choose the best explanation from among the following:I. Increasing the energy of the incoming electrons will increasethe wavelength of the emitted X-rays.
Chapter 2 Solutions
Foundations of Materials Science and Engineering
Ch. 2.9 - Prob. 1KCPCh. 2.9 - Prob. 2KCPCh. 2.9 - How was the existence of electrons first verified?...Ch. 2.9 - How was the existence of protons first verified?...Ch. 2.9 - What are the similarities and differences among...Ch. 2.9 - Prob. 6KCPCh. 2.9 - Prob. 7KCPCh. 2.9 - Prob. 8KCPCh. 2.9 - Explain the law of chemical periodicity.Ch. 2.9 - Prob. 10KCP
Ch. 2.9 - Prob. 11KCPCh. 2.9 - Prob. 12KCPCh. 2.9 - Prob. 13KCPCh. 2.9 - Prob. 14KCPCh. 2.9 - Prob. 15KCPCh. 2.9 - Prob. 16KCPCh. 2.9 - Prob. 17KCPCh. 2.9 - Describe the terms (a) metallic radius. (b)...Ch. 2.9 - Prob. 19KCPCh. 2.9 - Prob. 20KCPCh. 2.9 - Prob. 21KCPCh. 2.9 - Prob. 22KCPCh. 2.9 - Prob. 23KCPCh. 2.9 - Prob. 24KCPCh. 2.9 - Describe the properties (electrical, mechanical,...Ch. 2.9 - Prob. 26KCPCh. 2.9 - Prob. 27KCPCh. 2.9 - Prob. 28KCPCh. 2.9 - The diameter of a soccer ball is approximately...Ch. 2.9 - Each quarter produced by the U.S. mint is made up...Ch. 2.9 - Sterling silver contains 92.5 wt% silver and 7.5...Ch. 2.9 - Prob. 32AAPCh. 2.9 - Prob. 33AAPCh. 2.9 - Prob. 34AAPCh. 2.9 - Prob. 35AAPCh. 2.9 - Prob. 36AAPCh. 2.9 - Prob. 37AAPCh. 2.9 - Prob. 38AAPCh. 2.9 - Prob. 39AAPCh. 2.9 - Prob. 40AAPCh. 2.9 - Prob. 41AAPCh. 2.9 - Prob. 42AAPCh. 2.9 - Prob. 43AAPCh. 2.9 - Prob. 44AAPCh. 2.9 - Prob. 45AAPCh. 2.9 - Prob. 46AAPCh. 2.9 - Prob. 47AAPCh. 2.9 - Prob. 48AAPCh. 2.9 - Prob. 49AAPCh. 2.9 - Prob. 50AAPCh. 2.9 - Write the electron configurations of the following...Ch. 2.9 - Prob. 52AAPCh. 2.9 - Prob. 53AAPCh. 2.9 - Prob. 54AAPCh. 2.9 - Prob. 55AAPCh. 2.9 - Prob. 56AAPCh. 2.9 - Prob. 57AAPCh. 2.9 - Prob. 58AAPCh. 2.9 - Prob. 59AAPCh. 2.9 - Prob. 60AAPCh. 2.9 - Prob. 61AAPCh. 2.9 - Prob. 62AAPCh. 2.9 - Prob. 63AAPCh. 2.9 - For each bond in the following series of bonds,...Ch. 2.9 - Prob. 65AAPCh. 2.9 - Prob. 66AAPCh. 2.9 - Prob. 67AAPCh. 2.9 - Prob. 68AAPCh. 2.9 - Prob. 69SEPCh. 2.9 - Most modern scanning electron microscopes (SEMs)...Ch. 2.9 - Prob. 71SEPCh. 2.9 - Of the noble gases Ne, Ar, Kr, and Xe, which...Ch. 2.9 - Prob. 73SEPCh. 2.9 - Prob. 74SEPCh. 2.9 - Prob. 75SEPCh. 2.9 - Prob. 76SEPCh. 2.9 - Prob. 77SEPCh. 2.9 - Prob. 78SEPCh. 2.9 - Prob. 79SEPCh. 2.9 - Prob. 80SEPCh. 2.9 - Silicon is extensively used in the manufacture of...Ch. 2.9 - Prob. 82SEPCh. 2.9 - Prob. 83SEPCh. 2.9 - Prob. 84SEPCh. 2.9 - Prob. 85SEPCh. 2.9 - Prob. 86SEPCh. 2.9 - Prob. 87SEPCh. 2.9 - Prob. 88SEPCh. 2.9 - Prob. 89SEPCh. 2.9 - Prob. 90SEPCh. 2.9 - Prob. 91SEPCh. 2.9 - Prob. 92SEP
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
- An 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_forward8. An electron has a rest mass of 9.11x10^(-28) g. What is the energy contained in the electron provided it is accelerated to the speed of light in kJ? Express the answer in 4 significant figures.arrow_forwardQ1 In a parallel plate diode, the anode is at 230 V with respect to the cathode which is 4.5 mm away from it. An electron is emitted from cathode with an initial velocity of 3 x 106 m/s towards the anode. Calculate; (i) the arrival velocity of the electron at anode. (ii) time of transit. (iii) the velocity and distance travelled by the electron after 6 x 10-10 s.arrow_forward
- A cell culture is covered with a 1 cm sheet of Lucite (density=1.19 g/cm^3). What thickness of lead (in cm) is needed on top of the Lucite to prevent 10MeV beta rays from reaching the culture? Use the approximate empirical formulas relating range Rin g/cm^2 to electron kinetic energy T in MeV:arrow_forwardCalculate the energy of a photon of light with a frequency of 4.35E 14 Hz. (Planck's constant: h = 6.63 E-34 Js)arrow_forwardif Planck's constant were smaller than it is, would quantum phenomena be more or less conspicuous than they are now?arrow_forward
- A laser contains a Ti:sapphire rod of length 5mm and composed of a material with n=1.76 and n2=1x10-19m2 w-1 The FWHM (intensity) beam diameter is 100µm, the average intra-cavity laser power is 8W, the pulse duration is 53fs and the pulse repetition frequency is 64MHZ. By considering the optical Kerr effect, by what distance (in nm) does the center of the beam lag behind the FWHM points after propagating the length of the rod?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_forwardConsider the Bragg equation in the x-ray diffraction. If the value of the wavelength is doubled, which of the following is NOT truearrow_forward
- Q2:- Light from the sun arrives at the earth, an average of 1.48 x 101' m away, at the rate of 1.4 kW/m2 of area perpendicular to the direction of the light. Assume that sunlight is monochromatic with a frequency of 4.95 x 1014 Hz. (a) How many photons fall per second on each square meter of the earths surface directly facing the sun? (b) What is the power output of the sun, and how many photons per second does it emit?arrow_forwardExplain the principle of work of an x-ray tube.arrow_forward1. The minimum wavelength observed in x-ray radiation is à = 1.23 Å. What is the kinetic energy, in ev, of the primary clectron hitting the target? 2. The edge of a unit cell in a cubic crystal is a = 2.62 Å. Find the Bragg angle corresponding to reflection from the planes (100), (110), (111), (200), (210), and (211), given that the monochromatic x-ray beam has a wavelength i = 1.54 A. 3. A Cu target emits an x-ray line of wavelength 2 = 1.54 Å. uan that tha Bragg angle for reflection from the (1) planes in Al is 19.2°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 PressMechanics of Materials (10th Edition)Mechanical EngineeringISBN:9780134319650Author:Russell C. HibbelerPublisher:PEARSONThermodynamics: An Engineering ApproachMechanical EngineeringISBN:9781259822674Author:Yunus A. Cengel Dr., Michael A. BolesPublisher:McGraw-Hill Education
- Control Systems EngineeringMechanical EngineeringISBN:9781118170519Author:Norman S. NisePublisher:WILEYMechanics of Materials (MindTap Course List)Mechanical EngineeringISBN:9781337093347Author:Barry J. Goodno, James M. GerePublisher:Cengage LearningEngineering 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
Introduction to Diffusion in Solids; Author: Engineering and Design Solutions;https://www.youtube.com/watch?v=K_1QmKJvNjc;License: Standard youtube license