A hypothetical atom has only two atomic energy levels, separated by 3.2 eV. Suppose that at a certain altitude in the atmosphere of a star there are 6.1 * 1013/cm3 of these atoms in the higher-energy state and 2.5 * 1015/cm3 in the lower-energy state. What is the temperature of the star’s atmosphere at that altitude?

Principles of Physics: A Calculus-Based Text
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ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter29: Atomic Physics
Section: Chapter Questions
Problem 59P
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A hypothetical atom has only two atomic energy levels, separated
by 3.2 eV. Suppose that at a certain altitude in the atmosphere
of a star there are 6.1 * 1013/cm3 of these atoms in the
higher-energy state and 2.5 * 1015/cm3 in the lower-energy state.
What is the temperature of the star’s atmosphere at that altitude?

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