•22 O An a particle (*He nucleus) is to be taken apart in the fol- lowing steps. Give the energy (work) required for each step: (a) re- move a proton, (b) remove a neutron, and (c) separate the remain- ing proton and neutron. For an a particle, what are (d) the total binding energy and (e) the binding energy per nucleon? (f) Does either match an answer to (a), (b), or (c)? Here are some atomic masses and the neutron mass. "He 4.002 60 u 2H 2.014 10 u 3H 3.016 05 u 'H 1.007 83 u 1.008 67 u

•22 O An a particle (*He nucleus) is to be taken apart in the fol- lowing steps. Give the energy (work) required for each step: (a) re- move a proton, (b) remove a neutron, and (c) separate the remain- ing proton and neutron. For an a particle, what are (d) the total binding energy and (e) the binding energy per nucleon? (f) Does either match an answer to (a), (b), or (c)? Here are some atomic masses and the neutron mass. "He 4.002 60 u 2H 2.014 10 u 3H 3.016 05 u 'H 1.007 83 u 1.008 67 u

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)...

See similar textbooks

Similar questions

B- Measurements on a radioactive sample show that its activity decreases by a factor of five during a 2h interval. Calculate the half-life of isotope. 2.2 h O 2.2 (year) 1.6x10^-4 (year) O 1x10^-4 (year)
16. DETAILS MY NOTES ASK YOUR TEACHER The formation of helium nucleus, from the fusion process of two deuterium nuclei is shown as below: H + ?H - He + in + energy The binding energies per nucleon from fusion process in Equation above for 2H and 3 He are 1.09 Mev and 2.54 MeV, respectively. Calculate the energy released in this reaction. O 0.36 Mev O 3.26 Mev O 5.44 Mev O 1.45 Mev 17. DETAILS MY NOTES ASK YOUR TEACHER Which one of the following processes cause an increment in the atomic number? O Alpha emission O Beta emission O Gamma emission O Positron emission
6
9:22 Messages Х NPA Main Exam-2023-24 v2 PDF - 146 KB Page 4 Turn over SPA5302 (2024) SECTION B Answer ONLY TWO questions in Section B Question B1 a) Describe 5 key components of the nuclear force, including a statement of the Pauli Exclu- sion Principle. b) The semi-empirical mass formula (SEMF) for the binding energy of a nucleon is B(Z, A) ay A-aɛA²/³ – ac² Z(Z-1) A1/3 A (A-2Z)² A +8(Z, A). [5 marks] Name and state the origin of the first three terms. Name and give a formula for the last term. Give a discussion of the origin of the fourth term in the SEMF. Use a sketch to illustrate the contribution of each of the first 4 terms. [10 marks] c) Using the SEMF show that the neutron separation energy S₁ = B(Z, A) B(Z, A-1) is given approximately by Sav 2as ac 22 + 3A1/3 A² - 4Z² 3 A4/3 - ал A² You may use the approximations Z(Z-1) Z2, A(A-1) A² and (A-1)"A" – nA"-¹, and ignore the pairing term. [5 marks] d) Consider an isobar with A20. Use the formula in part (c) to find the nucleus on…
10:46 Thu 8 Aug Cancel ADJUST A Adjust Filters 號 Crop a) 3 Nuclear fusion reactions power the Sun and other stars. i) Contrast what is meant by the terms fission and fusion when describing nuclear reac- tions. ii) In stars, the proton-proton reaction dominates. The steps are (1) 2HD+e+v+Q1, (2) D+ H He3+y+Q2, and then often (3) 2He3 →He4 + 2H+Q3. Given the masses 1.00784 amu for hydrogen, 4.002603 amu for helium-4 and 0.00055 amu for an electron, calculate the total energy Q released by the reaction leading to a single helium-4 atom, giving your answer in amu and in MeV. AUTO @ 17% Done
How would do I do #8?
d) A radioactive source has an activity of 3.6x107 Bq due to the decay of a radioisotope with a half-life of 7250 years. Calculate i) The decay constant ii) The initial number of atoms present.
2. Find the energies needed to remove a neutron from He, then to remove a proton, and finally to separate the remaining neutron and proton. Compare the total with the binding energy of He
16. '¿Cdecays by ß-emission and after 12.0 h, ninety percent of the radioactive substance remains. Calculate the decay constant of this substance. 17. The atomic mass of iron, Fe, is 55.9349 u and the mass of Hydrogen, mµ =1.007825 u and the mass of neutron is 1.008665 u. Given that 1 u = 1.6605 × 10-27 kg, calculate (a) the binding energy of iron, §Fe [give your answer in units of electron volts (eV)] and (b) the binding energy per nucleon of Fe
2. The decay constant, Ai, for the a transition of 243 Am95 () to the various levels of 239NP93 may be estimated from In 1= 48.4 + 2.97 R½ Z¼ - 3.97 Z/T« - 660 o = 0.002la(la+1) where Z is the atomic number of the daughter nucleus, R is the radius of the daughter nucleus in femtometers and approximated by R=1.2XA3, Ta is the kinetic energy of the a - particle in MeV and la is the angular momentum carried by the a- particle. a. Calculate the branching ratio of the 3 transitions. b. Estimate the mean lifetime of the 243Amº5 5- c. The transition from the 239N%93 () to the state proceeds either directly by gamma emission or by gamma emission to the state first or by internal conversion of K-electron, with a conversion coefficient of 2. Use Weisskopf estimates to calculate the lifetime of the 9- excited state.
Consider the following three statements i) Beta-decay results in a daughter nuclide that has a mass number one greater than the parent nuclide. ii) All stable nuclei have equal no of protons and neutrons. iii) The photon is a mediating particle for one of the four fundamental forces. Which of the following is correct? a) Only i) is true. b) Only ii) is true. c) Only iii) is true. d) Only i) and ii) are true. e) Only i) and iii) are true. f) Only ii) and iii) are true. g) None are true. h) All are true.