The Diagram Shows the Spin Angular Momentum Vectors of Two

question 37

Multiple Choice

The diagram shows the spin angular momentum vectors of two electrons and two protons in the same external magnetic field. The field points upward in the diagram. Rank the situations according to the potential energy, least to greatest.

• A) 1 and 3 tie, then 2 and 4 tie
• B) 2 and 3 tie, then 1 and 4 tie
• C) 1 and 2 tie, then 3 and 4 tie
• D) 3 and 4 tie, then 1 and 2 tie
• E) all tie

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Housing buildings designed in the late 19th and early 20th centuries to improve living conditions for the urban poor by providing cleaner and safer alternatives to earlier tenement designs.

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