Roughly how many alpha particles rebounded?
AOne in 15000
BOne in 19000
COne in 12000
DOne in 21000
Answer & Solution
Correct answer: C. One in 12000
1. This was the most surprising observation.
2. Rutherford compared it to a shell bouncing off paper.
3. About one in 12000 rebounded.
_Source: syllabus Science, Ch 4 'Structure of the Atom'_
Keep practising Structure of the Atom
Browse all Structure of the Atom questions for CBSE Class 9, or explore more Science topics.