Physics

Problem

Three objects all move at a speed of

500\,\text{m\,s}^{-1}

. (I) an electron, (II) an

\alpha

-particle, (III) a

0.145\,\text{kg}

baseball. Which ranking orders them from largest to smallest de Broglie wavelength? a) III > II > I b) I > II > III c) I > III > II d) II > I > III