Phys 202 Final Examination PROCTOR'S REMARK: 9:30-11:30 (120 minutes) January 14, 2023 Initials: Fill in Full Name, Student ID and Signature boxes. Never leave the boxes empty Full Name Student ID Signature Answers without solution steps clearly shown will not be given any credit. If your name is not legible 1 point will be taken off. Use only the space provided for your solution and follow the instructions given in each problem. PROBLEM 2 (10 Points) The nucleus of a helium atom consists of two protons and two neutrons. The Bohr model of this atom has two electrons in the same orbit around the nucleus. (a) [3 Points] Assume that each electron moves independently of the other in a ground-state Bohr orbit and calculate its ionization energy on this basis. (b) [4 Points] Use the difference between the calculated ionization energy and the measured one of 24.6 eV to find the interaction energy between the two electrons. (c) [3 Points] On the assumption that the interaction energy results from the repulsion between the electrons, find their separation. How does this compare with the radius of the orbit?

Phys 202 Final Examination PROCTOR'S REMARK: 9:30-11:30 (120 minutes) January 14, 2023 Initials: Fill in Full Name, Student ID and Signature boxes. Never leave the boxes empty Full Name Student ID Signature Answers without solution steps clearly shown will not be given any credit. If your name is not legible 1 point will be taken off. Use only the space provided for your solution and follow the instructions given in each problem. PROBLEM 2 (10 Points) The nucleus of a helium atom consists of two protons and two neutrons. The Bohr model of this atom has two electrons in the same orbit around the nucleus. (a) [3 Points] Assume that each electron moves independently of the other in a ground-state Bohr orbit and calculate its ionization energy on this basis. (b) [4 Points] Use the difference between the calculated ionization energy and the measured one of 24.6 eV to find the interaction energy between the two electrons. (c) [3 Points] On the assumption that the interaction energy results from the repulsion between the electrons, find their separation. How does this compare with the radius of the orbit?

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)...

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