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?

• (A) α-particles would deflect by the foil by large angles
• (B) Most of the fast moving α-particles would not pass straight through the metal foil
• (C) There would be no change in the observation
• (D) All particles would appear rebound

In an α-particle scattering experiment, the choice of metal foil significantly influences the results. If a metal other than gold is used, the observations may vary based on the foil's atomic structure and density.

Possible Outcomes of Using Different Metals

• Deflection Angles: Depending on the atomic number of the metal, α-particles may deflect at different angles. Heavier metals could lead to larger deflections.
• Transmission of Particles: If the metal has a lower atomic density, more α-particles might pass straight through, while denser metals could block more particles.
• Rebound Effects: The likelihood of particles rebounding would depend on the foil's thickness and atomic arrangement.

Conclusion on the Options

Considering these factors, the most accurate observation would likely align with option (C) - there would be no change in the observation. However, this assumes the alternative metal has similar properties to gold. If the metal differs significantly, options (A) or (B) could also be valid, indicating that the specific characteristics of the metal play a crucial role in the scattering behavior of α-particles.