General Physics, 2nd Edition
2nd Edition
ISBN: 9780471522782
Author: Morton M. Sternheim
Publisher: WILEY
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Chapter 31, Problem 4E
To determine
The range of alpha particles and electrons in water.
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Chapter 31 Solutions
General Physics, 2nd Edition
Ch. 31 - Prob. 1RQCh. 31 - Prob. 2RQCh. 31 - Prob. 3RQCh. 31 - Prob. 4RQCh. 31 - Prob. 5RQCh. 31 - Prob. 6RQCh. 31 - Prob. 7RQCh. 31 - Prob. 8RQCh. 31 - Prob. 9RQCh. 31 - Prob. 10RQ
Ch. 31 - Prob. 1ECh. 31 - Prob. 2ECh. 31 - Prob. 3ECh. 31 - Prob. 4ECh. 31 - Prob. 5ECh. 31 - Prob. 6ECh. 31 - Prob. 7ECh. 31 - Prob. 8ECh. 31 - Prob. 9ECh. 31 - Prob. 10ECh. 31 - Prob. 11ECh. 31 - Prob. 12ECh. 31 - Prob. 13ECh. 31 - Prob. 14ECh. 31 - Prob. 15ECh. 31 - Prob. 16ECh. 31 - Prob. 17ECh. 31 - Prob. 18ECh. 31 - Prob. 19ECh. 31 - Prob. 20ECh. 31 - Prob. 21ECh. 31 - Prob. 22ECh. 31 - Prob. 23ECh. 31 - Prob. 24ECh. 31 - Prob. 25ECh. 31 - Prob. 26ECh. 31 - Prob. 27ECh. 31 - Prob. 28ECh. 31 - Prob. 29ECh. 31 - Prob. 30ECh. 31 - Prob. 31ECh. 31 - Prob. 32ECh. 31 - Prob. 33ECh. 31 - Prob. 34ECh. 31 - Prob. 35ECh. 31 - Prob. 36ECh. 31 - Prob. 37ECh. 31 - Prob. 38ECh. 31 - Prob. 39ECh. 31 - Prob. 40ECh. 31 - Prob. 41ECh. 31 - Prob. 42ECh. 31 - Prob. 43ECh. 31 - Prob. 44ECh. 31 - Prob. 45ECh. 31 - Prob. 46ECh. 31 - Prob. 47ECh. 31 - Prob. 48ECh. 31 - Prob. 49ECh. 31 - Prob. 50ECh. 31 - Prob. 51ECh. 31 - Prob. 52ECh. 31 - Prob. 53ECh. 31 - Prob. 54ECh. 31 - Prob. 55ECh. 31 - Prob. 57E
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- What is the closest distance a 7.5 MeV alpha particle can reach when incident on a gold foil?arrow_forward-14 (a) Find the speed an alpha particle requires to come within 3.4 x 10 m of an iron nucleus. 19.35*10**6 X Your response differs from the correct answer by more than 10%. Double check your calculations. m/s (b) Find the energy of the alpha particle in MeV. 7.79 Your response differs from the correct answer by more than 100%. MeVarrow_forwardAn alpha particle looses all of its energy in a gas and produces 15000 ions pair.If energy needed to produce one ion pair is 30ev.calculate the energy of alpha particle?arrow_forward
- Question: Calculate and compare the relative ranges of 10 MeV alpha, proton and electron particles moving through an arbitrary substance for which M = 10 and density = 10 g/cc. (Use the Bragg-Kleeman rule also for proton transport in the arbitrary substance).arrow_forwardQ7. A 50 µCi source emitting 5-MeV alpha particles is suspended between the palates of a large gas ionization chamber. If the emitted alpha particle loses all its energy in the chamber gas, calculate the current measured at the output. Assume that the average energy to create an ion pair in the gas is 34 eV and that all the charges produced in the chamber are collected.arrow_forwardCSDA range Determine the expected range of 2 MeV beta radiation in polyethylene, Aluminium and air. Use the ESTAR database on the NIST website to find the CSDA ranges (to 4 significant figures): R(px) for polyethylene = 9.375E-01 ✓g/cm² R(px) for Al= 1.224E+00 ✓ g/cm² R(px) for air- 1.094E+00 x g/cm² Looking at the 3 values you have found, the statement in the lab notes that the range is 'inversely proportional to the density p of the material and not dependent on its structure or any other properties' is a useful rough approximation because the px values are similar even if not exactly the same The values given are density times thickness (px). To find the actual range (x) we just divide by the density.arrow_forward
- What would the BEN in MeV be for a nucleus with 94 protons, 149 neutrons and an atomic mass of 223.1 u?arrow_forwardThe linear absorption coefficient for 5-MeV gamma rays in lead is 78 m-1. Find the thickness of lead required to reduce by one- fourth the intensity of beam of such gamma rays. O A. 8.9 mm O B. 17.8 mm OC. 3.7 mm OD. 1.9 mm O E. 7.4 mmarrow_forward1.86 O Hl 20% | 2:39 PM K/s iv. What exposure time is required for an equivalent dose of 200 rem? B. A laser with power output of 2.0 mW at a wavelength of 400 nm is projected onto a Calcium metal. The binding energy is 2.31 ev. i. How many electrons per second are ejected? i. What power is carried away by the electrons? C. A hypodermic needle of diameter 1.19 mm and length 50 mm is used to withdraw blood from a patient? How long would it take for 500 ml of blood to be taken? Assume blood viscosity of 0.0027 Pa.s and a pressure in the vein of 1.900 Pa. D. A person with lymphoma receives a dose of 35 gray in the form of gamma radiation during grams of cancerous lymphatic tissue. course of radiotherapy. Most of this dose is absorbed in 18 i. How much energy is absorbed by the cancerous tissue? If this treatment consists of five 15-minute sessions per week over the course of 5 weeks and just one percent of the gamma photons in the gamma ray beam are absorbed, what is the power of the…arrow_forward
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