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(B) If the $\alpha$-particle scattering experiment is carried out using a foil of any metal that is as thin as the gold foil used by Rutherford,there

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There would be no change in the observations if the foil is as thin as the gold foil.

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(B) If the $\alpha$-particle scattering experiment is carried out using a foil of any metal that is as thin as the gold foil used by Rutherford,there would be no significant change in the observations.This is because the fundamental structure of the atom (a small,positively charged nucleus at the center) is common to all elements.However,most other metals are not as malleable as gold,making it extremely difficult to obtain a foil of comparable thickness.If a thicker foil is used,more $\alpha$-particles would be scattered or bounce back due to multiple collisions,making it difficult to determine the precise location and nature of the positive mass within the atom with the same level of certainty as in Rutherford's original experiment.

What do you think would be the observation if the $\alpha$-particle scattering experiment is carried out using a foil of a metal other than gold?

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