Answered: The radius of a typical nucleus is…

The radius of a typical nucleus is about 5.0x10-15 m. Assume this to be the uncertainty in the position of a proton in the nucleus, estimate the uncertainty in the proton’s energy (in eV).

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter29: Introduction To Quantum Physics

Section: Chapter Questions

Problem 69PE: The decay energy of a short-lived nuclear excited state has an uncertainty of 2.0 eV due to its...

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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.

Question

3. The radius of a typical nucleus is about 5.0x10-15 m. Assume this to be the uncertainty in the
position of a proton in the nucleus, estimate the uncertainty in the proton’s energy (in eV).
a. 0.2 MeV
b. b. 0.4 MeV
c. c. 0.6 MeV
d. d. 0.8 MeV
e. e. 1.0 MeV

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