When light of wavelength 190 nm falls on a tungsten surface, electrons having a maximum kinetic energy of 2.03 eV are emitted. Find values for the following. (a) the work function of tungsten eV (b) the cutoff wavelength nm (c) the frequency corresponding to the cutoff wavelength

When light of wavelength 190 nm falls on a tungsten surface, electrons having a maximum kinetic energy of 2.03 eV are emitted. Find values for the following. (a) the work function of tungsten eV (b) the cutoff wavelength nm (c) the frequency corresponding to the cutoff wavelength

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter6: Photons And Matter Waves

Section: Chapter Questions

Problem 71P: A 600-nm light falls on a photoelectric surface and electrons with the maximum kinetic energy of...

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When light of wavelength 190 nm falls on a tungsten surface, electrons having a maximum kinetic energy of 2.03 eV are emitted. Find values for the following.
(a) the work function of tungsten
eV

(b) the cutoff wavelength
nm

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