Introduction To Health Physics
5th Edition
ISBN: 9780071835275
Author: Johnson, Thomas E. (thomas Edward), Cember, Herman.
Publisher: Mcgraw-hill Education,
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Chapter 3, Problem 3.29P
To determine
The wavelength of Ka characteristic X-ray
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Measured X-ray energies for Silver (Z=47) are: K_alpha= 21.990 keV, K_beta=25.145. The binding energy of the K shell electron in Silver is 25.514 keV. Using these find the energy of L_alpha X-ray and binding energy of the L electron.
What is the identity of this metal X where the lowest energy for the fluorescence ray emitted is 35427.88 eV?
And what longest expected X-ray wavelengths for the fluorescence ray?
What are the approximate energies (in keV) of the K and K x rays for scandium?
Ka
6
× kev
kev
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
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- The half-value layer for Tc-99m photons in water is 4.6 cm. Since soft tissue has about the same electron density as water, what percent of the beam passes through 3 cm of fat?arrow_forwardThe radius of a calcium atom is approximately 0.23 nm. What is the magnitude of the ionization energy? Express your answer in joules.arrow_forwardFor a tungsten target, the electron binding energies for K- shell is 69.5 keV and that of the L-subshells are 12.1 keV, 11.5 keV, and 10.2 keV. Calculate the energy of the characteristic Kα X-rays that would be produced due to all possible electron transitions between the K-shell and L-subshells.arrow_forward
- An accelerating voltage of 8 keV was used for the EDX (Energy dispersive x-ray analysis) analysis of a thin film. Approximately what accelerating voltage should be used for the EDX analysis of a bulk sample of the same composition as the thin film?arrow_forwardWhat are the approximate energies of the Kα and Kβ x rays for copper?arrow_forwardIf the radius of a calcium ion is 0.27 nm, how much energy does it take to singly ionize it? Give your answer in electron-volts (eV) with precision 0.1 eV. Give your answer to 2 significant digits.arrow_forward
- The K series of the discrete spectrum of tungsten contains wavelengths of 0.0185 nm, 0.0200 nm, and 0.0215 nm. The K-shel lontzation onargy is 69.5 kev. Determine the ionization energies of the L, M, and N shels ke ke kev Need Help? Read Master Subnt Anoa 13. DETAILS SERCP11 28.A.P.047. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER (0) How much energy is required to cause an electron in hydrogen to move from the n-2 state to the n-3 state? ev (b) If the eloctrons gain this energy by collision between hydrogen atoms in a high temperature gas, find the mimmum temperature of the heated hydrogen gas. The thermal energy of the heated atoms is given by 3kT/2. wihere k is the Boliemann conctant. Need Help? Read 14. DETAILS SERCP11 28.AP.048. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A puled ruby liner emits lght at 604,3 nm. For a 14.7-ps pulse containing 3.40 Jof energy, find the folowing (a) the physical length of the pulse as it travak through space mmarrow_forwardThe Kβ characteristic X-ray line for tungsten has a wavelength of 1.80×10−111.80×10−11 m. What is the difference in energy between the two energy levels that give rise to this line?arrow_forwardThe characteristic K, and K, lines for chromium have wavelengths of 0.229 nm and 0.208 nm, respectively. What is the ratio of the energy difference between the levels in chromium involved in the production of these two lines? ΔΕ. ΔΕ AEarrow_forward
- 5 6 À (x10-² nm) 7 8 9 10 Relative intensity Mo 9 9 12 vith → To 15.2 → To 37.2arrow_forwardIn a normal Zeeman Effect experiment, spectral splitting of the line at the wavelength 643.8 nm corresponding to the transition 5'D, → 5'P, of cadmium atoms is to be observed. The spectrometer has a resolution of 0.01 nm. Minimum magnetic field needed to observe this is (m. = 9.1x10-' kg,e =1.6x-19 C,c = 3×10° m/s) -31 (а) 0.26T (b) 0.527 (c) 2.6T (d) 5.27arrow_forwardThe energy required to break one bond in DNA is 10^−20J. This value in eV is nearly ?arrow_forward
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