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de broglie's when photons of energy (x) strike surface of metal A the ejected electrons have energy $ and wavelength # the max KE of ejected electrons from another metal by another (B) by energy @ and wavelength is #' and @ = $ -- 1.50 eV if (x = 4.25 ev) (y= 4.70ev) if #' = 2# then find work function of metal A B find # or #'


de broglie's


 


 


when photons of energy (x) strike surface of metal A the ejected electrons have energy $ and wavelength #


the max KE of ejected electrons from another metal by another (B) by energy @ and wavelength is #'


and @ = $  -- 1.50 eV if (x =  4.25 ev) (y= 4.70ev)


if #' = 2#


then find work function of metal A B


find # or #'


Grade:11

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