10. Light of wavelength 471 nm is directed at a metal surface, and it is found that pho- toelectrons are ejected with a maximum speed of 2.14 x 105 m/s. What frequency of light incident on the same metal is required to eject electrons with a maximum speed of 7.35 x 105 m/s?

10. Light of wavelength 471 nm is directed at a metal surface, and it is found that pho- toelectrons are ejected with a maximum speed of 2.14 x 105 m/s. What frequency of light incident on the same metal is required to eject electrons with a maximum speed of 7.35 x 105 m/s?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter29: Introduction To Quantum Physics

Section: Chapter Questions

Problem 44PE: (a) Calculate the wavelength of a photon that has the same momentum as a proton moving at 1.00% of...

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Question

10. Light of wavelength 471 nm is directed at a metal surface, and it is found that pho-
toelectrons are ejected with a maximum speed of 2.14 x 105 m/s. What frequency of
light incident on the same metal is required to eject electrons with a maximum speed
of 7.35 x 105 m/s?

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