Why did Rutherford select a gold foil in his a-ray scattering experiment?
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Answer:
Rutherford designed an experiment for this. In this experiment, fast moving alpha (α)-particles were made to fall on a thin gold foil. He selected a gold foil because he wanted as thin a layer as possible. This gold foil was about 1000 atoms thick.
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Rutherford wanted a metal sheet which could be as thin as possible.
Gold is the most malleable of all known metals. It can easily be converted into very thin sheets.
Hence, Rutherford selected a gold foil for his alpha-ray scattering experiment
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