Which of the following objects, all moving at the same speed, will have the largest de Broglie wavelength?
A)a proton
B)an electron
C)a bowling ball
D)a neon atom
E)a neutron

Question

Quizplus · Accepted Answer

The de Broglie wavelength is inversely proportional to the mass of the object, so the smaller the mass, the larger the wavelength. Electrons have a much smaller mass than protons, bowling balls, and neon atoms, and neutrons have a similar mass to protons. Therefore, the electron will have the largest de Broglie wavelength among the given options.

Which of the Following Objects, All Moving at the Same