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प्रश्न
What happens to an alpha particle in a head-on collision with the nucleus?
विकल्प
Its impact parameter is large, and it rebounds.
Its impact parameter is minimum, and it goes nearly undeviated.
Its impact parameter is minimum, and it rebounds.
Its impact parameter is large, and its deflection is small.
MCQ
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उत्तर
A head-on collision has the minimum impact parameter. The alpha particle reverses direction and rebounds.
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