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For a metal A, the work function (the minimum energy needed to eject an electron from the metal surface) is 6.25 x 10-19 J. Which is the longest wavelength of the following which could excite photoelectrons? a) 250 nm Ob) 400 nm c) 300 nm d) 200 nm e) 350 nm

For a metal A, the work function (the minimum energy needed to eject an electron from the metal surface) is 6.25 x 10-19 J. Which is the longest wavelength of the following which could excite photoelectrons? a) 250 nm Ob) 400 nm c) 300 nm d) 200 nm e) 350 nm

Chemistry: The Molecular Science
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter5: Electron Configurations And The Periodic Table
Section5.3: The Bohr Model Of The Hydrogen Atom
Problem 5.4PSP: (a) Calculate the frequency and the wavelength of the line for the n = 6 to n = 4 transition. (b) Is...
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For a metal A, the work function (the minimum energy needed to eject an electron from the metal surface) is 6.25 x 10-19 J. Which is the longest wavelength of the following which could excite photoelectrons? a) 250 nm Ob) 400 nm c) 300 nm d) 200 nm e) 350 nm
Transcribed Image Text:For a metal A, the work function (the minimum energy needed to eject an electron from the metal surface) is 6.25 x 10-19 J. Which is the longest wavelength of the following which could excite photoelectrons? a) 250 nm Ob) 400 nm c) 300 nm d) 200 nm e) 350 nm
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