According to the selection rule, when a photon is emitted or absorbed, transitions can only occur between state with values of ? that differ by
A)
five units.
B)
four units.
C)
three units.
D)
two units.
E)
one unit.
E
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a. True b. False Indicate whether the statement is true or false
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a. a positive constant. b. exponentially increasing. c. oscillatory. d. exponentially decreasing. e. none of the above.