A sample of oxygen gas is irradiated with MgKα1α2 radiation of 0.99 nm (1253.6 eV). A strong emission of electrons with velocities of 1.57* 10^7 ms^−1 is found. What is the binding energy of these electrons?

A sample of oxygen gas is irradiated with MgKα1α2 radiation of 0.99 nm (1253.6 eV). A strong emission of electrons with velocities of 1.57* 10^7 ms^−1 is found. What is the binding energy of these electrons?

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter8: Atomic Structure

Section: Chapter Questions

Problem 100AP: (a) What voltage must be applied to an X-ray tube to obtain 0.0100-fm-wavelength X-rays for use in...

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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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