Physics

Problem

Calculate the de Broglie wavelength of an electron that has been accelerated from rest through a potential difference of

150\,\text{V}

. (Take

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

m_e = 9.11\times10^{-31}\,\text{kg}

and

e = 1.6\times10^{-19}\,\text{C}