A Free Electron and a Free Proton Have the Same

question 50

Multiple Choice

A free electron and a free proton have the same kinetic energy.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)a shorter wavelength and the same frequency
• D)a longer wavelength and the same frequency
• E)a shorter wavelength and a smaller frequency

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