X-RAY RADIATION Constants Units of Energy h = 6.626 - 10-3“ J•sec Planck constant e = 1.6- 10-19 C charge of electron e = 3- 10" m/sec speed of light m = 9.11. 10- kg mass of electron 1 ev = 1,602-10-" J 1 kev = 1,602-10-"J 1. Relationship between X-ray frequency and wavelength: K-cathode A- anode here A is wavelength (m), f is frequency (Hz), e is speed of light (m/sec). Х-гауs clectrons 2. Energy of X-rays photon: E = hfmaz = Amin is minimum wavelength of X-ray radiation (m), fmar is maximum frequency of X-ray radiation (Hz), h is Planck constant (I sec), c is speed of light propagation in vacuum (m'sec). 3. In the X-ray tube, firstly, the energy of electric field is transformed into the kinetic energy of electron motion: my? ela = and then the kinetic energy of electron motion is transferred into energy of X-ray photons: - = hfmar fmax is maximum frequency of X-ray radiation (Hz), h is Planck constant I sec), c is speed of light propagation in vacuum (m/sec), e is charge of electron (C), m mass of electron (kg), U, is potential difference or voltage between cathode and anode (V), v is speed of clectrons motion (m/sec). 4. Relationship between wavelenth of X-ray radintion and Voltage on the tube: 1.23 Amin (nm) = Da(kv) U, is potential difference or voltage between cathode and anode (V), 2min is minimum wavelength of X-ray radiation (m). 5. Linear attenuation coefficient (I/m): H= k-p-2.2', k = 10-° is coefficient of proportionality (W/VA), p is density of the material (kg/m'), Z is atomic number of the material, i is wavelength of X-ray radiation (m). 6. Mass attenuation coefficient (m'kg): H. =-= kza H is linear attemuation coefficient, k= 10-° is coefficient of proportionality (W/V-A), p is density of the material (kg/m), Z is atomic number of the material, i is wavelength of X-ray radiation (m). 7. Attenuation of X-ray radiation intensity: I = lbe "Hd here I, is the initial intensity of X-rays (W/m); / is the intensity of X-rays after passing a material of (1/m) 8. Half value layer. HVL =- In(2) 0,693 u is lincar attenuation coefficient (1/m).

College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
icon
Related questions
Question

The 10-fold X-ray reduction values for (a) water, (b) concreate, (c) iron and (d) lead are equal 100 cm, 20 cm, 10 cm and 5 cm, respectively. Find corresponding values of linear attenuation coefficients.

X-RAY RADIATION
Constants
Units of Energy
h = 6.626 - 10-3“ J•sec Planck constant
e = 1.6- 10-19 C charge of electron
e = 3- 10" m/sec speed of light
m = 9.11. 10- kg mass of electron
1 ev = 1,602-10-" J
1 kev = 1,602-10-"J
1. Relationship between X-ray frequency and
wavelength:
K-cathode
A- anode
here A is wavelength (m), f is frequency (Hz), e
is speed of light (m/sec).
Х-гауs
clectrons
2. Energy of X-rays photon:
E = hfmaz =
Amin is minimum wavelength of X-ray radiation (m), fmar is maximum frequency of X-ray radiation
(Hz), h is Planck constant (I sec), c is speed of light propagation in vacuum (m'sec).
3. In the X-ray tube, firstly, the energy of electric field is transformed into the kinetic energy of
electron motion:
my?
ela =
and then the kinetic energy of electron motion is transferred into energy of X-ray photons:
- = hfmar
fmax is maximum frequency of X-ray radiation (Hz), h is Planck constant I sec), c is speed of
light propagation in vacuum (m/sec), e is charge of electron (C), m mass of electron (kg), U, is
potential difference or voltage between cathode and anode (V), v is speed of clectrons motion
(m/sec).
4. Relationship between wavelenth of X-ray radintion and Voltage on the tube:
1.23
Amin (nm) =
Da(kv)
U, is potential difference or voltage between cathode and anode (V), 2min is minimum wavelength
of X-ray radiation (m).
5. Linear attenuation coefficient (I/m):
H= k-p-2.2',
k = 10-° is coefficient of proportionality (W/VA), p is density of the material (kg/m'), Z is atomic
number of the material, i is wavelength of X-ray radiation (m).
6. Mass attenuation coefficient (m'kg):
H. =-= kza
H is linear attemuation coefficient, k= 10-° is coefficient of proportionality (W/V-A), p is density
of the material (kg/m), Z is atomic number of the material, i is wavelength of X-ray radiation (m).
7. Attenuation of X-ray radiation intensity:
I = lbe "Hd
Transcribed Image Text:X-RAY RADIATION Constants Units of Energy h = 6.626 - 10-3“ J•sec Planck constant e = 1.6- 10-19 C charge of electron e = 3- 10" m/sec speed of light m = 9.11. 10- kg mass of electron 1 ev = 1,602-10-" J 1 kev = 1,602-10-"J 1. Relationship between X-ray frequency and wavelength: K-cathode A- anode here A is wavelength (m), f is frequency (Hz), e is speed of light (m/sec). Х-гауs clectrons 2. Energy of X-rays photon: E = hfmaz = Amin is minimum wavelength of X-ray radiation (m), fmar is maximum frequency of X-ray radiation (Hz), h is Planck constant (I sec), c is speed of light propagation in vacuum (m'sec). 3. In the X-ray tube, firstly, the energy of electric field is transformed into the kinetic energy of electron motion: my? ela = and then the kinetic energy of electron motion is transferred into energy of X-ray photons: - = hfmar fmax is maximum frequency of X-ray radiation (Hz), h is Planck constant I sec), c is speed of light propagation in vacuum (m/sec), e is charge of electron (C), m mass of electron (kg), U, is potential difference or voltage between cathode and anode (V), v is speed of clectrons motion (m/sec). 4. Relationship between wavelenth of X-ray radintion and Voltage on the tube: 1.23 Amin (nm) = Da(kv) U, is potential difference or voltage between cathode and anode (V), 2min is minimum wavelength of X-ray radiation (m). 5. Linear attenuation coefficient (I/m): H= k-p-2.2', k = 10-° is coefficient of proportionality (W/VA), p is density of the material (kg/m'), Z is atomic number of the material, i is wavelength of X-ray radiation (m). 6. Mass attenuation coefficient (m'kg): H. =-= kza H is linear attemuation coefficient, k= 10-° is coefficient of proportionality (W/V-A), p is density of the material (kg/m), Z is atomic number of the material, i is wavelength of X-ray radiation (m). 7. Attenuation of X-ray radiation intensity: I = lbe "Hd
here I, is the initial intensity of X-rays (W/m); / is the intensity of X-rays after passing a material of
(1/m)
8. Half value layer.
HVL =-
In(2) 0,693
u is lincar attenuation coefficient (1/m).
Transcribed Image Text:here I, is the initial intensity of X-rays (W/m); / is the intensity of X-rays after passing a material of (1/m) 8. Half value layer. HVL =- In(2) 0,693 u is lincar attenuation coefficient (1/m).
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 6 steps with 6 images

Blurred answer
Knowledge Booster
Band Theory
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
  • SEE MORE QUESTIONS
Recommended textbooks for you
College Physics
College Physics
Physics
ISBN:
9781305952300
Author:
Raymond A. Serway, Chris Vuille
Publisher:
Cengage Learning
University Physics (14th Edition)
University Physics (14th Edition)
Physics
ISBN:
9780133969290
Author:
Hugh D. Young, Roger A. Freedman
Publisher:
PEARSON
Introduction To Quantum Mechanics
Introduction To Quantum Mechanics
Physics
ISBN:
9781107189638
Author:
Griffiths, David J., Schroeter, Darrell F.
Publisher:
Cambridge University Press
Physics for Scientists and Engineers
Physics for Scientists and Engineers
Physics
ISBN:
9781337553278
Author:
Raymond A. Serway, John W. Jewett
Publisher:
Cengage Learning
Lecture- Tutorials for Introductory Astronomy
Lecture- Tutorials for Introductory Astronomy
Physics
ISBN:
9780321820464
Author:
Edward E. Prather, Tim P. Slater, Jeff P. Adams, Gina Brissenden
Publisher:
Addison-Wesley
College Physics: A Strategic Approach (4th Editio…
College Physics: A Strategic Approach (4th Editio…
Physics
ISBN:
9780134609034
Author:
Randall D. Knight (Professor Emeritus), Brian Jones, Stuart Field
Publisher:
PEARSON