A Free Electron and a Free Proton Have the Same

question 10

Multiple Choice

A free electron and a free proton have the same momentum.This means that, compared to the matter wave associated with the proton, the matter wave associated with the electron has:

• A)a shorter wavelength and a greater frequency
• B)a longer wavelength and a greater frequency
• C)the same wavelength and the same frequency
• D)the same wavelength and a greater frequency
• E)the same wavelength and a smaller frequency