Suppose you are given a chance to repeat the alpha-particlescattering experiment using a thin sheet of solid hydrogen in placeof the gold foil. (Hydrogen is a solid at temperatures below 14 K.)What results do you expect?

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Solution

When we use a thin sheet of solid hydrogen in place of gold foil in α-particle scattering experiment, then the scattering angle would not be large enough because the mass of hydrogen 1.67× 10 −27 kg is less than the mass of incident α particles 6.64× 10 −27 kg.

Since, the mass of target nucleus is less than the mass of incident particles therefore, the alpha-particles would not bounce back.

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Suppose you are given a chance to repeat the alpha-particle scattering experiment using a thin sheet of solid hydrogen in place of the gold foil. (Hydrogen is a solid at temperatures below 14 K.) What results do you expect?

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. During Rutherford's gold foil experiment, a beam of alpha particles was directed at a thin sheet of gold foil. This helped to prove the existence of a nucleus in the atom.

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