I Review I Constants I Periodic Ta Zinc has a work function of 4.30 eV Part A What is the longest wavelength of light that will release an electron from a zinc surface? Express your answer using two significant figures. A= 290 nm Submit Previous Answers v Correct Part B A 5.00 eV photon strikes the surface and an electron is emitted. What the maximum possible speed of the electron? Express your answer using two significant figures. ? Vmax = m/s Submit Previous Answers Request Answer

University Physics Volume 3
17th Edition
ISBN:9781938168185
Author:William Moebs, Jeff Sanny
Publisher:William Moebs, Jeff Sanny
Chapter7: Quantum Mechanics
Section: Chapter Questions
Problem 58P: An electron in a box is in the ground state with energy 2.0 eV. (a) Find the width of the box. (b)...
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I Review I Constants I Periodic Ta
Zinc has a work function of 4.30 eV .
Part A
What is the longest wavelength of light that will release an electron from a zinc surface?
Express your answer using two significant figures.
X = 290 nm
Submit
Previous Answers
Correct
Part B
A 5.00 eV photon strikes the surface and an electron is emitted. What is the maximum possible speed of the electron?
Express your answer using two significant figures.
Πνα ΑΣφ
?
Umax =
m/s
Submit
Previous Answers Request Answer
Transcribed Image Text:I Review I Constants I Periodic Ta Zinc has a work function of 4.30 eV . Part A What is the longest wavelength of light that will release an electron from a zinc surface? Express your answer using two significant figures. X = 290 nm Submit Previous Answers Correct Part B A 5.00 eV photon strikes the surface and an electron is emitted. What is the maximum possible speed of the electron? Express your answer using two significant figures. Πνα ΑΣφ ? Umax = m/s Submit Previous Answers Request Answer
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