Physics

Problem

What kinetic energy, expressed in electron-volts, must a neutron possess so that its de Broglie wavelength is

0.10\,\text{nm}

? (Given:

h = 6.626\times10^{-34}\,\text{J\,s}

m_n = 1.67\times10^{-27}\,\text{kg}

1\,\text{eV} = 1.6\times10^{-19}\,\text{J}