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Chapter 6: Q31E (page 1403)
The 5s electron in rubidium ( Rb) sees an effective charge of 2.771e. Calculate the ionization energy of this electron.
The ionization energy of 5s an electron in rubidium (Rb) is 4.17 eV.
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Compare the wave functions for the first three energy levels for a particle in a box of width L(see Fig. 40.12a) to the corresponding wave functions for a finite potential well of the same width (see Fig. 40.15a). How does the wavelength in the interval 0鈮� x 鈮� L for the n= 1 level of the particle in a box compare to the corresponding wavelength for the n= 1 level of the finite potential well? Use this to explain why is less than in the situation depicted in Fig. 40.15b.
Figure 40.17 shows the scanning tunneling microscope image of 48 iron atoms placed on a copper surface, the pattern indicating the density of electrons on the copper surface. What can you infer about the potential-energy function inside the circle of iron atoms?
According to the photon model, light carries its energy in packets called quanta or photons. Why then don鈥檛 we see a series of flashes when we look at things?
Why do you think the development of Newtonian mechanics preceded the more refined relativistic mechanics by so many years?
What factors determine whether a material is a conductor of electricity or an insulator? Explain
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