91. the nucleus 16o is assumed to be spherical with a charge radius r and v-r. based on the empirical observation on the charge radius of the nucleus 128xe, one

91. The nucleus 16O is assumed to be spherical with a charge radius R and V-R. Based on the empirical observation on the charge radius of the nucleus 128Xe, one finds its volume volume as (A) 2V C) 6.75V (B) 8V (D) 1.89V