Answered: Red light of wavelength 670 nm produces…

Red light of wavelength 670 nm produces photoelectrons from a certain metal which requires a stopping potential of 0.5 V. What is the work function and threshold wavelength of the metal ?

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 6.7CYU: Check Your Understanding Cut-off frequency for the photoelectric effect in some materials is 8.01013...

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Question

.Red light of wavelength 670 nm produces
photoelectrons from a certain metal which
requires a stopping potential of 0.5 V. What is
the work function and threshold wavelength of
the metal ?

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