The de-Broglie wavelength and kinetic energy of a particle is 2000Å and 1eV respectively. If its kinetic energy becomes 1MeV, then its de Broglie wavelength becomes The de-Broglie wavelength and kinetic energy of a particle is 2000Å and 1eV respectively. If its kinetic energy becomes 1MeV then its de Broglie wavelength becomes November 29, 2020 [...]