If in Millikan's oil drop experiment charges on drops are found to be `80 mu C, 12 mu C, 20 mu C`, then quanta of charge is :

Millikan's oil drop experiment established that

Millikan's oil drop experiment established that

Millikan's oil drop experiment established that

Millikan's Oil Drop experiment and Photoelectric effect

In a Millikan's oil drop experiment the charge on an oil drop is calculated to be 16.35 xx 10^(-19) C . The number of excess electrons on the drop is