4) (30 points) Light falls on a piece of metal which has a Photoelectric Work Function of 3.0 eV. a) What is the cutoff wavelength for this metal? c) If the light has a frequency of 6.0X10“ Hz, what is the velocity of the outgoing electron?

4) (30 points) Light falls on a piece of metal which has a Photoelectric Work Function of 3.0 eV. a) What is the cutoff wavelength for this metal? c) If the light has a frequency of 6.0X10“ Hz, what is the velocity of the outgoing electron?

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 132AP: Photoelectrons are ejected from a photo electrode and are detected at a distance of 2.50 cm away...

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4) (30 points) Light falls on a piece of metal which has a Photoelectric Work Function of 3.0 eV.
a) What is the cutoff wavelength for this metal?
c) If the light has a frequency of 6.0X10“ Hz, what is the velocity of the outgoing electron?

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