A collimated beam of alpha particles are emitted from a 210Po source with a kinetic energy of 5.5 MeV, striking a 2.5 µm gold foil (Z = 79, A = 197 g mol-1 and p = 19.3 g cm-³. Calculate the probability of an alpha particle to be scattered at angles between ₁ = 10° and 2 = 12° as predicted by the Thomson and Rutherford models of the atom, and comment on the results.

A collimated beam of alpha particles are emitted from a 210Po source with a kinetic energy of 5.5 MeV, striking a 2.5 µm gold foil (Z = 79, A = 197 g mol-1 and p = 19.3 g cm-³. Calculate the probability of an alpha particle to be scattered at angles between ₁ = 10° and 2 = 12° as predicted by the Thomson and Rutherford models of the atom, and comment on the results.

Modern Physics

3rd Edition

ISBN:9781111794378

Author:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Publisher:Raymond A. Serway, Clement J. Moses, Curt A. Moyer

Chapter4: The Particle Nature Of Matter

Section: Chapter Questions

Problem 9P

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