In the Geiger-Marsden experiment, calculate the distance of closest approach for an alpha particle with energy 2.56
(a) 2.56 x 10⁻¹² m
(b) 5.12 x 10⁻¹²m
(c) 1.28 x 10⁻¹² m
(d) 0.64 x 10⁻¹² m