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प्रश्न
What did Rutherford discover by scattering alpha rays off metal foils?
विकल्प
The emanation of thorium
The empirical formula for hydrogen lines
The electron
The atomic nucleus
MCQ
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उत्तर
Scattering alpha rays off metal foils led Rutherford to discover the atomic nucleus. He also proposed the planetary model and estimated the approximate size of the nucleus.
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