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  3. The threshold frequency of lithium is 5.5×10^14Hz. (a) calculate the work function for lithium (b)...

The threshold frequency of lithium is 5.5×10^14Hz. (a) calculate the work function for lithium (b)...

The threshold frequency of lithium is 5.5×10^14Hz.
(a) calculate the work function for lithium
(b) If a lithium surface is illuminated by light wave length 450nanometer(nm). Calculate the maximum kinetic energy of the emitted photon electrons. Take 1ev= 1.6×10^-19J, 1nm= 10^-9m?
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Asked by Anaenyeonu on 31st October, 2022
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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Join your school's WhatsApp group