Chapter 39: Problem 2
(1) For \(n=6, \quad \ell=3,\) what are the possible values of \(m_{l}\) and \(m_{s} ?\)
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Chapter 39: Problem 2
(1) For \(n=6, \quad \ell=3,\) what are the possible values of \(m_{l}\) and \(m_{s} ?\)
These are the key concepts you need to understand to accurately answer the question.
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(II) For an electron in a \(5 g\) state, what are all the possible values of \(j, m_{j}, J,\) and \(J_{z} ?\)
What are the largest and smallest possible values for the angular momentum \(L\) of an electron in the \(n=6\) shell?
Show that the diffractive spread of a laser beam, \(\approx \lambda / D\) as described in Section \(39-9,\) is precisely what you might expect from the uncertainty principle. [Hint: Since the beam's width is constrained by the dimension of the aperture \(D\), the component of the light's momentum perpendicular to the laser axis is uncertain.]
For each of the following atomic transitions, state whether the transition is allowed or forbidden, and why: \((a) 4 p \rightarrow 3 p\); (b) \(3 p \rightarrow 1 s ;(c) 4 d \rightarrow 3 d ;(d) 4 d \rightarrow 3 s\) (e) \(4 s \rightarrow 2 p\).
(III) The wave function for the \(n=3, \quad \ell=0\) state in hydrogen is $$ \psi_{300}=\frac{1}{\sqrt{27 \pi r_{0}^{3}}}\left(1-\frac{2 r}{3 r_{0}}+\frac{2 r^{2}}{27 r_{0}^{2}}\right) e^{-\frac{r}{3 r_{0}}} $$ (a) Determine the radial probability distribution \(P_{\mathrm{r}}\) for this state, and (b) draw the curve for it on a graph. (c) Determine the most probable distance from the nucleus for an electron in this state.
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