A mercury drop of radius 1.0 cm is sprayed into 106 droplets of equal size. Calculate the energy expanded (T = 32 × 10⁻²N/m)
A. 3.98 × 10–2 J
B. 1.99 × 10–2 J.
C. 7.96 × 10–2 J.
D. 15.92 × 10–2 J.