# You will find in Chapter 39 that electrons cannot move in definite orbits within atoms

## Problem 68 Chapter 38

Fundamentals of Physics, Volume 2 (Chapters 21 - 44) | 10th Edition

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Fundamentals of Physics, Volume 2 (Chapters 21 - 44) | 10th Edition

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Problem 68

You will find in Chapter 39 that electrons cannot move in definite orbits within atoms, like the planets in our solar system. To see why, let us try to observe such an orbiting electron by using a light microscope to measure the electrons presumed orbital position with a precision of, say, 10 pm (a typical atom has a radius of about 100 pm). The wavelength of the light used in the microscope must then be about 10 pm. (a) What would be the photon energy of this light? (b) How much energy would such a photon impart to an electron in a head-on collision? (c) What do these results tell you about the possibility of viewing an atomic electron at two or more points along its presumed orbital path? (Hint: The outer electrons of atoms are bound to the atom by energies of only a few electron-volts.)

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NEWTON’S FIRST LAW ● the most profound change in understanding the universe up to his time ● developed in the 1660s when the plague was sweeping thru Europe - again ● not published for almost 20 years ● perhaps a true law of nature ● objects at rest stay at rest ● objects in motion stay in motion, unless acted on by an outside force ● the first was common...

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##### ISBN: 9781118230732

Fundamentals of Physics, Volume 2 (Chapters 21 - 44) was written by and is associated to the ISBN: 9781118230732. Since the solution to 68 from 38 chapter was answered, more than 378 students have viewed the full step-by-step answer. This full solution covers the following key subjects: . This expansive textbook survival guide covers 39 chapters, and 3772 solutions. The answer to “You will find in Chapter 39 that electrons cannot move in definite orbits within atoms, like the planets in our solar system. To see why, let us try to observe such an orbiting electron by using a light microscope to measure the electrons presumed orbital position with a precision of, say, 10 pm (a typical atom has a radius of about 100 pm). The wavelength of the light used in the microscope must then be about 10 pm. (a) What would be the photon energy of this light? (b) How much energy would such a photon impart to an electron in a head-on collision? (c) What do these results tell you about the possibility of viewing an atomic electron at two or more points along its presumed orbital path? (Hint: The outer electrons of atoms are bound to the atom by energies of only a few electron-volts.)” is broken down into a number of easy to follow steps, and 147 words. This textbook survival guide was created for the textbook: Fundamentals of Physics, Volume 2 (Chapters 21 - 44) , edition: 10. The full step-by-step solution to problem: 68 from chapter: 38 was answered by , our top Physics solution expert on 03/05/18, 09:04PM.

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