What is the wavelength of (a) a photon with energy 3.0 eV, (b) an electron with energy 3.0 eV, (c) a photon of energy 3.0 GeV, and (d) an electron with energy 3.0 GeV?
What is the wavelength of (a) a photon with energy 3.0 eV, (b) an electron with...