According to early model of an atom,the atom is considered it to have a positively charged point
Channel: Doubtnut
Date: 2020-01-19

According to early model of an atom,the atom is considered it to have a positively charged point nucleus of charge `Ze` surrounded by a uniform density of negative charge up to a radius `R`. The atom as a whole is neutral. The electric field at a distance`r` from the nucleus is `(r lt R)`