The anomalous Zeeman effect occurs because electrons have intrinsic spin, and when placed in a magnetic field, lose their degeneracy for the __________ states with different ________ . Fill in the missing words
a.
Each state with a total angular momentum of J has a degeneracy of the 2J + 1 states with a given mJ. Since mJranges from -J to J, there are 2J + 1 values possible and approximately degenerate. When placed in an external magnetic field, the states split due to the anomalous Zeeman effect.
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Some dark matter may be ordinary matter that orbits in the halo of the galaxy. Which of the following would not be considered a type of ordinary dark matter?
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A spaceship approaches Earth with a speed 0.38c. A passenger in the spaceship measures his heartbeat as 72 beats per minute
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The remaining core of a planetary nebula is called a _______________
a. white dwarf b. neutron star c. black hole d. red giant