1. When a clean surface of silver metal is iradiated with 200-mm photons, the velocity of the ejected electrons is 742 × 105 m/s. a) Calculate the work function of silver in electron volts (ev. b) What is the maximum wavelength of light that will remove an electron from silver?

1. When a clean surface of silver metal is iradiated with 200-mm photons, the velocity of the ejected electrons is 742 × 105 m/s. a) Calculate the work function of silver in electron volts (ev. b) What is the maximum wavelength of light that will remove an electron from silver?

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter39: Introduction To Quantum Physics

Section: Chapter Questions

Problem 41AP

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Question

please answer question 1

1. When a clean surface of silver metal is iradiated with 200-mm photons, the velocity of the
ejected electrons is 742 × 105 m/s.
a) Calculate the work function of silver in electron volts (ev.
b) What is the maximum wavelength of light that will remove an electron from silver?

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