[填空题]
(a) Show that the so-called )/sa8za fjd)olo 83qzh)e7d- d9hiwfunification distance of $10^{-31}\ \text{m}$ in grand unified theory is equivalent to an energy of about $10^{16}\ \text{GeV}$. Use the uncertainty principle, and also de Broglie's wavelength formula, and explain how they apply. $\Delta E$ = $ \times 10^{16}$GeV E = $ \times 10^{15}$
(b) Calculate the temperature corresponding to $10^{16}\ \text{GeV}$. E = $10^{28} K$
