Modern Physics

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Unformatted text preview: PHY251 Homework Set 10 Reading: Chapter 11, 12 Homework: Chapter 11, Question 1, Problems 2,5,11,14 Chapter 12, Problems 7,23,31 Hints and Solutions Question XI.1 (10 points) One of the great puzzles in heredity before the quantum theory of molecules was invented was how the gene could retain its integrity generation after generation when it was kept at the human body temperature. How does the quantum theory of molecules resolve this problem? (Note that, according to very general ideas about statistical systems, all objects that are part of a thermal system move with energies on the order of kT , where k is Boltzmann's constant.) Hints: See Problem 4. Solution: No Solution yet Problem XI.2 (10 points) Consider the ground state of the silicon atom ( Z =14). What is the electronic configuration for this state. Hints: No hints Solution: No Solution yet Problem XI.5 (10 points) X-rays bombarding heavy atoms can be used to eject electrons from the 1 s shell in atoms; indeed, this is the starting point for Moseley's experiments. Estimate thein atoms; indeed, this is the starting point for Moseley's experiments....
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This homework help was uploaded on 02/05/2008 for the course PHY 251 taught by Professor Rijssenbeek during the Spring '01 term at SUNY Stony Brook.

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homework 10 - PHY251 Homework Set 10 Reading: Chapter 11,...

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