Modern Physics
Modern Physics
3rd Edition
ISBN: 9781111794378
Author: Raymond A. Serway, Clement J. Moses, Curt A. Moyer
Publisher: Cengage Learning
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Chapter 3, Problem 43P

(a)

To determine

The energy transferred to the electron in the collision.

(b)

To determine

The comparison of the energy transferred to the electron and the energy acquired by the electron in a photoelectric process.

(c)

To determine

Whether violet light can eject electron.

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The work function for gold is 5.10 eV. (a) Convert the value of the work function from electron volts to joules. J(b) Find the cutoff frequency for gold. Hz(c) What maximum wavelength of light incident on gold releases photoelectrons from the gold's surface? nm(d) If light of energy 7.42 eV is incident on gold, what is the maximum kinetic energy of the ejected photoelectrons? Give the answer in electron volts. eV(e) For photons of energy 7.42 eV, what stopping potential would be required to arrest the current of photoelectrons? V
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