NCERT Solutions for Class 9 Science Chapter 4
Structure of the Atom
NCERT Books for Session 2022-2023
CBSE Board and UP Board
Intext Questions
Page No-49
Questions No-14
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?
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If the α-scattering experiment is carried out using a foil of a metal rather than gold, there would be no change in the observation. In the α-scattering experiment, a gold foil was taken because gold is malleable and a thin foil of gold can be easily made. It is difficult to make such foils from other metals.
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Observations in Alpha-Particle Scattering with Different Metal Foils:
– Varied Scattering Patterns: The experiment’s outcome would show different scattering angles and patterns of alpha particles due to the distinct atomic structures and arrangements within the metal foil used.
– Differences in Deflection Intensity: The degree of alpha particle deflection would differ, influenced by factors such as foil density, thickness, and atomic configuration, leading to varying levels of particle deflection.
– Potential Absence of Deflection: Some metals might exhibit minimal or no deflection based on their unique atomic arrangements and densities, differing from the observations seen with gold.
– Impact of Atomic Structure: The crystal structure and arrangement of atoms in the foil material would significantly dictate alpha particle interactions with nuclei, resulting in distinctive scattering behaviors compared to the gold foil experiment.
In summary, conducting the alpha-particle scattering experiment using a metal foil other than gold would yield different scattering patterns and angles, deflection intensities, and potential absence of deflection, all influenced by the specific atomic structure and arrangement of atoms in the foil material.