Introduction To Health Physics
5th Edition
ISBN: 9780071835275
Author: Johnson, Thomas E. (thomas Edward), Cember, Herman.
Publisher: Mcgraw-hill Education,
expand_more
expand_more
format_list_bulleted
Concept explainers
Question
Chapter 3, Problem 3.24P
To determine
The corresponding photon flux, in photons per square centimetre per second.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
What (a) frequency, (b) photon energy, and (c) photon momentum magnitude (in keV/c) are associated with x rays having wavelength 35.0 pm?
By what rate a photon emitted from a sodium vapor lamp?
Assume that the lamp's light is monochromatic and of wavelength 589 nm?
Answer : 1.5*10^20 s^-1
A particular star has a radius of 8.46 ✕ 108 m. The peak intensity of the radiation it emits is at a wavelength of 679 nm.
(a) What is the energy (in J) of a photon with this wavelength?
answer in J
(b) What is the star's surface temperature (in K)? (Round your answer to at least the nearest integer.)
answer in K
(c) At what rate (in W) is energy emitted from the star in the form of radiation? Assume the star is a blackbody, with emissivity
e = 1.
answer in W
(d) Using the results from parts (a) and (c), estimate the rate (in photons/s) at which photons are emitted by the star.
answer in photon/s
Chapter 3 Solutions
Introduction To Health Physics
Ch. 3 - Prob. 3.1PCh. 3 - Prob. 3.2PCh. 3 - Prob. 3.3PCh. 3 - Prob. 3.4PCh. 3 - Calculate the current due to the hydrogen electron...Ch. 3 - Prob. 3.6PCh. 3 - Prob. 3.7PCh. 3 - Prob. 3.8PCh. 3 - Prob. 3.9PCh. 3 - Prob. 3.10P
Ch. 3 - Prob. 3.11PCh. 3 - Prob. 3.12PCh. 3 - Prob. 3.14PCh. 3 - Prob. 3.15PCh. 3 - Prob. 3.16PCh. 3 - Prob. 3.17PCh. 3 - Prob. 3.18PCh. 3 - Prob. 3.19PCh. 3 - Prob. 3.20PCh. 3 - Prob. 3.21PCh. 3 - Prob. 3.22PCh. 3 - If 9 g of NaC1 were dissolved in 1 L of water,...Ch. 3 - Prob. 3.24PCh. 3 - What is the binding energy of the last neutron in...Ch. 3 - Prob. 3.26PCh. 3 - Prob. 3.27PCh. 3 - Prob. 3.28PCh. 3 - Prob. 3.29PCh. 3 - Prob. 3.30PCh. 3 - Prob. 3.31PCh. 3 - Prob. 3.32PCh. 3 - What is the binding energy of the last neutron in...Ch. 3 - Prob. 3.34PCh. 3 - Prob. 3.35PCh. 3 - Prob. 3.36PCh. 3 - Prob. 3.37PCh. 3 - Prob. 3.38PCh. 3 - Prob. 3.39PCh. 3 - Prob. 3.40PCh. 3 - Prob. 3.41P
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
- Derive an expression for the ratio of X-ray photon frequency for two elements with atomic numbers Z1 and Z2.arrow_forwardWhat is the frequency of an 80 keV x-ray photon?arrow_forwardWhen radiation of frequency 8 x 10^14 Hz is incident to Calcium which has 4.3x10^-19 J work function, calculate the energy of the photon.arrow_forward
- A nickel crystal’s work function is measured to be 5.22 eV at 25°C. As the temperature increases by 300°C, the work function drops by 50 meV. By how much does this shift the threshold wavelength for photoelectric emission?arrow_forwardFind the energy of (a) a photon having a frequencyof 5.00 x 1017 Hz and (b) a photon having a wavelengthof 3.00 x 102 nm. Express your answers in units of electronvolts, noting that 1 eV = 1.60 x 10-19 J.arrow_forwardThe power of a red laser (λ = 630 nm) is 3.00 watts (abbreviated W, where 1 W = 1 J/s). How many photons per second does the laser emit?arrow_forward
- What is the minimum wavelength in m of the x-ray photons from a 140 kV x-ray tube? (h = 6.63x10-34J·s, 1 eV = 1.6x10-19 J, c = 3.0x108 m/sarrow_forwardIf we were to consider waves on the electromagnetic spectrum with wavelengths of 4.3 x 10^7 nm and 2.0 x 10^11 nm (the range of a baleen whale in saltwater), what would the energy of one photon in each of those waves be(in J)?arrow_forward
arrow_back_ios
arrow_forward_ios
Recommended textbooks for you
- Glencoe Physics: Principles and Problems, Student...PhysicsISBN:9780078807213Author:Paul W. ZitzewitzPublisher:Glencoe/McGraw-HillPrinciples of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningModern PhysicsPhysicsISBN:9781111794378Author:Raymond A. Serway, Clement J. Moses, Curt A. MoyerPublisher:Cengage Learning
- University Physics Volume 3PhysicsISBN:9781938168185Author:William Moebs, Jeff SannyPublisher:OpenStax
Glencoe Physics: Principles and Problems, Student...
Physics
ISBN:9780078807213
Author:Paul W. Zitzewitz
Publisher:Glencoe/McGraw-Hill
Principles of Physics: A Calculus-Based Text
Physics
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Cengage Learning
Modern Physics
Physics
ISBN:9781111794378
Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher:Cengage Learning
University Physics Volume 3
Physics
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:OpenStax