Physics: Principles with Applications (7th Edition)

Published by Pearson
ISBN 10: 0-32162-592-7
ISBN 13: 978-0-32162-592-2

Chapter 28 - Quantum Mechanics of Atoms - Questions: 1


a. A matter wave $\Psi$ does not need a medium to travel, but a wave on a string does. The wavefunction $\Psi$ is a probability amplitude, and its square is proportional to the probability of finding the corresponding particle within a certain region of space. b. An EM wave does not require a medium to travel. The values of an EM wave are the electric and magnetic field vectors at that point, but a matter wave is a scalar. EM waves can be polarized, but matter waves cannot be.

Work Step by Step

a. The function describing a wave on a string gives the displacement of a piece of string from its equilibrium position.
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