The work function for metallic cesium is 2.14 eV. Calculate the kinetic energy and the speed of

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The work function for metallic cesium is 2.14 eV. Calculate the kinetic energy and the speed of the electrons ejected by light of wavelength
(a) 700 nm,
(b) 300 nm.

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Physical Chemistry

ISBN: 978-0716743880

7th Edition

Authors: Peter Atkins

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Question Posted: Feb 04, 2010 12:50 AM

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The work function for metallic cesium is 2.14 eV. Calculate the kinetic energy and the speed of

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Conservation of energy requires Ephoton EK hvhc so EK hc 25k me and Ex m SO V 12 a 209 eV ...View the full answer

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