An electron and a proton are traveling at the same speed.Which has the longer wavelength?
A)the electron
B)the proton
C)Both have the same wavelength.

Question

Quizplus · Accepted Answer

The wavelength of a particle is inversely proportional to its mass, which means that the lighter the particle, the longer the wavelength. Since the electron is much lighter than the proton, it has a longer wavelength when traveling at the same speed. Therefore, option A is the correct answer.

An Electron and a Proton Are Traveling at the Same