Question

An electron, a proton, an α-particle and a hydroger atom are moving with the same kinetic energy. The associated de Broglie wavelength will be the longest for ______.

Options

• electron

• proton

• α-particle

• hydrogen atom

Answer 1

An electron, a proton, an α-particle and a hydroger atom are moving with the same kinetic energy. The associated de Broglie wavelength will be the longest for electron.