Would you expect electrons to be effective in deflecting an alpha-particle beam? Multiple Choice yes, but only when the alpha particle is traveling very fast yes, but only when the electron is in an atom no

Would you expect electrons to be effective in deflecting an alpha-particle beam? Multiple Choice yes, but only when the alpha particle is traveling very fast yes, but only when the electron is in an atom no

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter31: Radioactivity And Nuclear Physics

Section: Chapter Questions

Problem 11PE: What is the ratio of the velocity of a (particle to that of an (particle, if they have the same...

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Concept explainers

Rutherford's scattering experiment

Rutherford’s scattering experiment is also known as the gold foil experiment. This experiment disproved the plum pudding model of J.J. Thomson. In a gold foil experiment, high-energy alpha particles are made to strike a thin gold foil. The scattered alpha particles are detected using a detector. This experiment showed that the positive charge of the atom is at the center. Most of the atom’s mass is also confined to a small volume at the center. This region is known as the nucleus of the atom.

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Would you expect electrons to be effective in deflecting an alpha-particle beam?
Multiple Choice
yes, but only when the alpha particle is traveling very fast
yes, but only when the electron is in an atom
no

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