Question

Drow back of putherford atomic model

Answer 1

it was not a stable model of atom because according to classical electromagnetic theory whenever a charge particle revolves around another charge particle it radiates out energy so electron should be losing orbit and should spiral down into the nucleus 
2)it does not tell about the origin of spectral series.

Answer 2

see the attached document 
   i hope it helps....................^_^

61536d0ec3f6f4fc98a67f5eb992781b.docx