A proton and an alpha particle are accelerated from rest through the same potential difference.
What is the ratio de Broglie wavelength of the protonde Broglie wavelength of the alpha particle\displaystyle \frac{\text{de Broglie wavelength of the proton}}{\text{de Broglie wavelength of the alpha particle}}de Broglie wavelength of the alpha particlede Broglie wavelength of the proton?
0.350.350.35
2.02.02.0
2.82.82.8
8.08.08.0