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Light Conductor (anode) b כוכו וכו + + + + + + + + + + + Metallic plate (cathode) Ideal Voltmeter V

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter9: Condensed Matter Physics

Section: Chapter Questions

Problem 9.1CYU: Check Your Understanding Why is the potential energy associated with the exclusion principle...

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Question

When we illuminate lead with ultraviolet light with a wavelength of 250 nm, suppose we find the maximum potential difference developed between the plates in the experimental setup shown in the figure to be 0.82 volts. From these data and the accepted value of hc, find the potential difference between the plates if the wavelength is 215 nm. Also find W for lead.

Light
Conductor (anode)
b
כוכו וכו
+ + + + + + + + + + +
Metallic plate (cathode)
Ideal Voltmeter
V

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