64 small drops of Mercury ,each of radius r and charge q coalesce to form a big drop - Physics - Electrostatic Potential And Capacitance

Question

64 small drops of Mercury ,each of radius r and charge q coalesce
to form a big drop The ratio of the surface density of charge of
each small drop to that of the big drop is

Sandeep K. Gupta · Accepted Answer

64 small drops of Mercury ,each of radius r and charge q coalesce to form a big drop . The ratio of the surface density of charge of each small drop to that of the big drop is