A neutron has a kinetic energy of

PHYSICS · Subjective · A Level · Physics · Particles and radiation · Particles and radiation

Problem

0.040\,\text{eV}

. Determine its wavelength. (Constants:

h = 6.63\times10^{-34}\,\text{J}\cdot\text{s}

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

1\,\text{eV} = 1.60\times10^{-19}\,\text{J}