Energy Levels: When an electron jumps from an orbit where n = 4 to one where n = 2
A. a photon is emitted.
B. a photon is absorbed.
C. two photons are emitted.
D. two photons are absorbed.
E. None of the given answers are correct.
Answer: A
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Exhibit 18-1The figure below shows wave crests after a stone is thrown into a pond.Use this exhibit to answer the following question(s).
Refer to Exhibit 18-1. The phase difference in radians between points A and B is
A.
B.
C.
D.
E.
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