NCERT In-Text Page 49 Q4 - Structure of the Atom
Question: What do you think would be the observation if the α-particle scattering experiment is carried out using a foil of a metal other than gold?
Answer: Same qualitative results as with gold: most pass through, few deflect, very few rebound — confirming a tiny dense nucleus.
Full step-by-step NCERT solution with diagrams on Something by Zero.