An alpha particle (charge

PHYSICS · Subjective · CBSE · Physics · Dual Nature of Radiation and Matter · Dual Nature of Radiation and Matter

Problem

+2e

, mass

4u

) and a proton (charge

+e

, mass

1u

) are each accelerated from rest through the same potential difference of

200\,\text{V}

. Determine the ratio

\dfrac{\lambda_{\alpha}}{\lambda_{p}}

of their de Broglie wavelengths.