Physics for Scientists and Engineers with Modern Physics
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN: 9781337553292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 39, Problem 27P

(a)

To determine

The Lorentz factor for a 20.0GeV electron.

(b)

To determine

The relativistic momentum of the electron.

(c)

To determine

The wavelength of the electron.

(d)

To determine

Comparison of the wavelength of the electron with the radius of the nucleus.

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Data for the photoelectric effect of silver are given in the table. Frequency of incident radiation (1015 ?−1)(1015⁢ s−1) Kinetic energy of ejected electrons (10−19 ?)(10−19 J) 2.00 5.90 2.50 9.21 3.00 12.52 3.50 15.84 4.00 19.15 Using these data, find the experimentally determined value of Planck's constant, ℎh , and the threshold frequency, ?0ν0 , for silver.
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