Answered: PROBLEM: The lifetime of a nucleus in…

PROBLEM: The lifetime of a nucleus in an excited state is 10-12²s. Calculate the probable uncertainty in the energy and frequency of a y-ray photon emitted by it.

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

Chapter5: Matter Waves

Section: Chapter Questions

Problem 25P

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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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PROBLEM: The lifetime of a nucleus in an excited state is 10-12²s. Calculate the probable
uncertainty in the energy and frequency of a y-ray photon emitted by it.

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