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Consider a collection of 10,000 atoms of rubidium-87

An Introduction to Thermal Physics | 1st Edition | ISBN: 9780201380279 | Authors: Daniel V. Schroeder ISBN: 9780201380279 40

Solution for problem 66P Chapter 7

An Introduction to Thermal Physics | 1st Edition

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An Introduction to Thermal Physics | 1st Edition | ISBN: 9780201380279 | Authors: Daniel V. Schroeder

An Introduction to Thermal Physics | 1st Edition

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Problem 66P

Problem 66P

Consider a collection of 10,000 atoms of rubidium-87 confined inside a box of volume (10–5 m)3.

(a) Calculate ϵ0, the energy of the ground state. (Express your answer in both joules and electron-volts.)

(b) Calculate the condensation temperature, and compare kTc to ϵ0.

(c) Suppose that T = 0.9Tc. How many atoms are in the ground state? How close is the chemical potential to the ground-state energy? How many atoms are in each of the (threefold-degenerate) first excited states?

(d) Repeat parts (b) and (c) for the case of 106 atoms, confined to the same volume. Discuss the conditions under which the number of atoms in the ground state will be much greater than the number in the first excited state.

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Growth Theory—10.7.2016 Solow I:  Relationship between inputs and outputs in the economy  Y = F(physical capital, human capital, and natural resources)  First version of the model focused solely on physical capital. Why Because: o Capital resources in wealthy nations far exceed those in developing nations o Periods of investment are correlated with periods of economic expansion Marginal product – the change in output divided by the change in input.  This means that the more given input, the higher the GDP. Diminishing marginal product – the marginal product of an input falls as the quantity of the input rises. Y (real GDP) Y3 Y2 Y1

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Chapter 7, Problem 66P is Solved
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Textbook: An Introduction to Thermal Physics
Edition: 1
Author: Daniel V. Schroeder
ISBN: 9780201380279

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Consider a collection of 10,000 atoms of rubidium-87