Rutherford's experiment, which established the nuclear model of the atom, used a beam of

Options

A. `beta`-particles, which impinged on a metal foil and got absorbed
B. `gamma`-rays, which impinged on a metal foil and ejected electrons
C. helium atoms, which impinged on a metal foil and got scattered
D. helium nuclei, which impinged on a metal foil and got scattered

Answer

D