SSC MTS EXAM

Detailed explanation-1: -The results of this experiment were not in sync with the plum-pudding model of the atom as suggested by Thomson. Rutherford concluded that since alpha particles are positively charged, for them to be deflected back, they needed a large repelling force.

Detailed explanation-2: -Results of Rutherford’s alpha-particle scattering experiment: Most of the alpha particles passed through the foil undeflected. This shows that most space inside the atom is empty. Some alpha particles got deflected at different angles.

Detailed explanation-3: -His model explained why most of the particles passed straight through the foil. The small positive nucleus would deflect the few particles that came close. The nuclear model replaced the plum pudding model. The atom now consisted of a positive nucleus with negative electrons in circular orbits around it .

Detailed explanation-4: -Thomson’s experiments with cathode ray tubes showed that all atoms contain tiny negatively charged subatomic particles or electrons. Thomson proposed the plum pudding model of the atom, which had negatively-charged electrons embedded within a positively-charged “soup."