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- Consider a beam of alpha particles incident on a nucleus of atomic number \(Z\) and that the nucleus is a sphere of radius \(R\). Assume that the charge \(Ze\) of the nucleus is uniformly distributed inside the nucleus. What should be energy, \(E_0\) of an alpha particles moving directly towards the center of the nucleus, just touches the surface of the nucleus and recoils back?
- What do you expect to happen to the alpha particle if (i) if it energy is less than \(E_0\); (ii) if it energy is greater than \(E_0\). Will the alpha particle recoil back or go in the forward direction?
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