In Millikan's experiment, static electric charge on the oil drops has been obtained by shining X-rays. If the static electric charge in the oil drop is -1.282 xx 10^(-18)C, calculate the number of electrons present in it.

In Millikan's experiment, static electric charge on the oil drops has

1.	In Millikan's experiment, static electric charge on the oil drops has been obtained by shining X-rays. If the static electric charge in the oil drop is -1.282 xx 10^(-18)C, calculate the number of electrons present in it.
Answer» Solution :ELECTRONS present = `(-1.282 xx 10^(-18)C)/(-1.6022 xx 10^(-19)C) = 8`