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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? - CBSE (Science) Class 12 - Physics

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Question

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?

Solution

In the alpha-particle scattering experiment, if a thin sheet of solid hydrogen is used in place of a gold foil, then the scattering angle would not be large enough. This is because the mass of hydrogen (1.67 × 10−27 kg) is less than the mass of incident α−particles (6.64 × 10−27 kg). Thus, the mass of the scattering particle is more than the target nucleus (hydrogen). As a result, the α−particles would not bounce back if solid hydrogen is used in the α-particle scattering experiment.

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Solution 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? Concept: Alpha-particle Scattering and Rutherford’S Nuclear Model of Atom.
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