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15 Q5: Calculate the collisional stopping power of water for 1 MeV Electron? Show transcribed image...
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(1) Calculate F (B) for a 600-keV electron. Calculate Ft(B) for a 600-keV positron. (Marks 10) (2) Calculate the collisional stopping power of water for 600-keV electrons. Calculate the collisional stopping power of water for 600-keV positrons. Marks 10) (3) What is the ratio of the collisional and radiative stopping powers of Al for electrons of energy (a) 10 keV (b) 1MeV (c) 100 Mev? Marks 9) (4) Estimate the radiation yield...
The Heidelberger Ionenstrahl-Therapiezentrum (HIT) has a particle accelerator capable of reaching beam kinetic energies of 500 MeV per nucleon. Instead of using protons or alpha particles, Dr. X wants to investigate the effects of high LET radiation in a tissue irradiation experiment with a 12C (A=12, Z=6) ion beam with a kinetic energy of 6000 MeV. The carbon ion beam (stripped of electrons) will be impinging on a radially symmetric (e.g. cylindrical) tissue-equivalent target. Using the Bethe-Bloch equation, calculate the...
Calculate the energy in MeV released in an electron capture by 7Be. Assume that the masses of 7Be and 7Li are 7.016965 and 7.015998 u, respectively.
Calculate the maximum energy a 50 MeV proton can transfer to an electron in a single collision.
1. The total energy of a moving electron is 0.850 MeV. What is the speed of the electron in terms of c? A 0.306 c B. 0.854 c C. 0.933 c D. 0.799 c 2. Calculate the kinetic energy of an electron moving at 0.834 c. Express your answer in keV. A. 420 keV B. 350 keV C. 540 keV D. 480 keV
Q5.By using Mesh Analysis calculate:(a)power supplied by A current source (b) the power consumed by 4 ohm resistor. 3.22 30 V 6oov 162 424v 5.6.2 0.82 30 A
17. Calculate the ratio of the number of electron hole pairs generated in silicon by 5 MeV electrons to the ones created in an argon filled ionization chamber by electrons having the same energy.
Question 21 5 pts Calculate the kinetic energy (in MeV) of an alpha particle whose DeBroglie wavelength is equal to 1 femtometer (1E-15 m), which is about the size of a nucleus. The mass of the alpha particle is 6.65E-27 kg. 3.3E-11 MeV 5.3E-30 MeV 49.8 MeV 103 MeV 206 MeV Question 22 5 pts The electronic configuration for boron is 1s 2s22p1, and the electronic configuration for aluminum is 1s22s22p6 352 3p1. It requires 8.298 eV to remove the...
Alpha particles emitted from radioactive radium has an energy of 4.8 MeV (million electron volts). Calculate the de Broglie wavelength of one of these alpha particles, given the following data: (mass of alpha particle = 6.6 x 10-24 g h=6.6 x 10-27 erg sec 1.0 MeV = 1.6 x 10-6 erg 1 erg=1 g cm² sec-2)
1. An electron moving with as initial speed of 2.85 x 10' m/s encounters a stopping potential That is, the electron is stopped by a potential difference AV«. a) Find the potential difference required to stop the electron. b) The electron stops in 3.00 m, find the magnitude of a constant electric field associated with the stopping potential c) Would a proton travelling at the same speed require a greater or lesser magnitude potential difference to stop? Explain d) Find...