2 Calculate the energy, in electron volts, of a photon whose frequency
3 is \Part{a} $620\U{THz}$, \Part{b} $3.10\U{GHz}$, and \Part{c}
4 $46.0\U{MHz}$. \Part{d} Determine the corresponding wavelengths for
5 these photons and state the classification of each on the
6 electromagnetic spectrum.
7 \end{problem*} % problem 28.4
11 \begin{tabular}{r r r r}
12 & \Part{a} & \Part{b} & \Part{c} \\
13 $E = hf$ & $2.56\U{eV}$ & $12.8\U{$\mu$eV}$ & $190\U{neV}$ \\
14 $\lambda=c/f$ & $484\U{nm}$ & $9.67\U{cm}$ & $6.51\U{m}$ \\
15 Class & Visible (blue) & Microwave & Radio
18 See Figure 24.12 (page 823) in the text for a classification spectrum.