Chapter 6: Q7DQ (page 1401)
In the Stern–Gerlach experiment, why is it essential for the magnetic field to be inhomogeneous (that is, nonuniform)?
A homogenous field only processes the angular momentum and magnetic moment vectors. So, in the Stern–Gerlach experiment is essential for the magnetic field to be inhomogeneous.
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Some lasers emit light in pulses that are only 10-12 s in duration. The length of such a pulse is . Can pulsed laser light be as monochromatic as light from a laser that emits a steady, continuous beam? Explain.
In attempting to reconcile the wave and particle models of light, some people have suggested that the photon rides up and down on the crests and troughs of the electromagnetic wave. What things are wrongwith this description?
Explain why the cosmological principle requires that must have the same value everywhere in space, but does not require that it be constant in time.
The wave function shown in Fig. 40.20 is nonzero for both. Does this mean that the particle splits into two parts when it strikes the barrier, with one part tunneling through the barrier and the other part bouncing off the barrier? Explain
Since lead is a stable element, why doesn’t the decay series shown in Fig. 43.7 stop at lead, ?
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