Question

mention two drawbacks of rutherford model

Answer 1

Answer

Rutherford proposed that electron revolve at a high speed in circular orbit around the positively charged nucleus.

Answer 2

here is your answer

Drawbacks of Rutherford's model of atom.
Rutherford proposed that electrons revolve at a high speed in circular orbits around the positively charged nucleus.

Eventually the electron would fall into the nucleus. The result would be that the atom would collapse.