The Ratio of the Density of a Neutron (R =

Multiple Choice

The ratio of the density of a neutron (r = r₀A^1/3) to the density of a classical electron (r_e = ke²/m_ec² = 2.8 × 10−¹⁵ m) is

A) 4.3 × 10²
B) 2.3 × 10⁴
C) 1.4 × 10²
D) 6.9 × 10−³
E) 4.3 × 10³