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An unknown solid element as a work function 3.225ev.calculate 1.The treshold frequency a. leave answers...

An unknown solid element as a work function 3.225ev.calculate
1.The treshold frequency
a. leave answers in ev
b. Leave answers in joules
c. State reasons in the difference between a and
b and if there is similarities conclude on such?
2. Calculate the maximum energy of the liberated electron when the unknown solid element is illuminated by light of wavelength of 4.2x10^-5cm(leave answers in joules)?
In Physics
2 Answers Available
Asked by Erioluwa on 3rd March, 2022
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WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
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
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709