An electron and a proton possess the same kinetic energy
PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation
Problem
An electron and a proton possess the same kinetic energy. Which statement about their de Broglie wavelengths is correct?
(a) The proton has a longer de Broglie wavelength than the electron.
(b) Both particles have identical de Broglie wavelengths.
(c) The electron has a longer de Broglie wavelength than the proton.
(d) Their de Broglie wavelengths depend on their charges rather than their masses.