Physics

Problem

50\,\text{g}

table-tennis ball is served with a speed of

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

. The order of magnitude of its de Broglie wavelength is a)

10^{-34}\,\text{m}

10^{-36}\,\text{m}

10^{-33}\,\text{m}

10^{-32}\,\text{m}