Physics of Everyday Phenomena
9th Edition
ISBN: 9781259894008
Author: W. Thomas Griffith, Juliet Brosing Professor
Publisher: McGraw-Hill Education
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Question
Chapter 18, Problem 4SP
(a)
To determine
The momentum of the electron.
(b)
To determine
The de Broglie wavelength of the electron.
(c)
To determine
The comparison of the de Broglie wavelength of the electron to the visible light.
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An incoming light beam has frequency 9.7 x 1014 Hz. (Use h= 6.626 x 10-34 J.s)
a. How much energy in Joules does it have?b. If the photons of this light beam are absorbed by a free electron, how much kinetic energy and speed will the free electron have?
What is the de Broglie wavelength of a particle, such as an electron, at rest?
O A.
Davisson and Germer measured this wavelength in their apparatus and found it to be around 10 10 m.
O B. The wavelength would be infinitely small and not measurable.
OC. The wavelength would be zero meters.
O D. This has no meaning. The de Broglie wavelength only applies to moving particles.
a. An electron is found to a wavelength of 1 = 1.19 nm. What is the velocity of the electron?
m/s
b. A photon has a wavelength of A = 1.19 nm. What is the energy of the photon?
Joules
Chapter 18 Solutions
Physics of Everyday Phenomena
Ch. 18 - Prob. 1CQCh. 18 - Prob. 2CQCh. 18 - Prob. 3CQCh. 18 - Prob. 4CQCh. 18 - Prob. 5CQCh. 18 - Prob. 6CQCh. 18 - Prob. 7CQCh. 18 - Prob. 8CQCh. 18 - Prob. 9CQCh. 18 - Prob. 10CQ
Ch. 18 - Prob. 11CQCh. 18 - Prob. 12CQCh. 18 - Prob. 13CQCh. 18 - Prob. 14CQCh. 18 - Prob. 15CQCh. 18 - Prob. 16CQCh. 18 - Prob. 17CQCh. 18 - Prob. 18CQCh. 18 - Prob. 19CQCh. 18 - Prob. 20CQCh. 18 - Prob. 21CQCh. 18 - Prob. 22CQCh. 18 - Prob. 23CQCh. 18 - Prob. 24CQCh. 18 - Prob. 25CQCh. 18 - Prob. 26CQCh. 18 - Prob. 27CQCh. 18 - Prob. 28CQCh. 18 - Prob. 29CQCh. 18 - Prob. 30CQCh. 18 - Prob. 31CQCh. 18 - Prob. 32CQCh. 18 - Prob. 33CQCh. 18 - Prob. 34CQCh. 18 - Prob. 35CQCh. 18 - Prob. 1ECh. 18 - Prob. 2ECh. 18 - If 112 g of silicon (Si) react completely with 64...Ch. 18 - Prob. 4ECh. 18 - Prob. 5ECh. 18 - How many electrons would be required to produce 12...Ch. 18 - Prob. 7ECh. 18 - Prob. 8ECh. 18 - Prob. 9ECh. 18 - Prob. 10ECh. 18 - Prob. 11ECh. 18 - Prob. 12ECh. 18 - An electron beam in a cathode-ray tube passes...Ch. 18 - Prob. 2SPCh. 18 - Prob. 3SPCh. 18 - Prob. 4SP
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