If 1.88 × 10¹⁸ photon falls on the cm² area of ​​the radiation detector exposed to light from a source and 0.77 J cm⁻²min⁻¹ value is read from the measurement device, what should the wavelength of the light be?

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
Section: Chapter Questions
Problem 24QRT: A photoemissive material has a threshold energy, Emin = 5 1019 J. Will 300. nm radiation eject...
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If 1.88 × 10¹⁸ photon falls on the cm² area of ​​the radiation detector exposed to light from a source and 0.77 J cm⁻²min⁻¹ value is read from the measurement device, what should the wavelength of the light be?

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