IMG_0003 - Section Name w ngth of Light emitted by the...

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Unformatted text preview: Section Name w ngth of Light emitted by the hydrogen atom in ; .— 4. (2G) Calculate the lengest wavcle undergoing a transition from the n mew i A.“ :~‘ . ..... V : \ ,--- "j V ' . A ,- , V 1 ' 1 f .V \ 7 ,.>' 4” | J51 J: x -' ' “ g ’ x . =6 principle quantum level. I, _ We Jr '7?- ‘*3-%‘ Ha Em 5. (20 pts) The binding energy of electrons to calcium metal is 4.34 x 113'19 .1. Calculate: 51‘3“} a a. (5 pt) the minimum frequency of fight that will eject electrons from calcium (nanometers) E 2-. ‘n x) : ‘ " ' ’- , ”n. \ ‘1 i, A} / 137(10 pt) if light of 345 nm shines on cakium, what is the speed of an ejected electron (if any are ejected) in meters per second 5'! 'E‘Ufiwm gjf‘i'm 7 H4531” 3'" inn: , | . " r~ ._ ‘ g Ky- : Jo 'tpf\\;’ A v [-1 ‘ SQ : $12., A “ 4 i I" u 3%? :3 q: EFQWD'bgd‘S -— (a 93W ,-!O"55W§{3~;Snfi> \J ’12 A! 30ng m/s c. (5 pt) if electrons are ejected, then what is the wavelength of the ejected electrons in part b above (in meters). . '\ § {4'1“ .— fl '3 .- -1" _..—-- " ' J ‘ 3‘35' In A ,5! win 4% ,. f . g "" ,..‘ L a 1 v5 LIbI-TBZ-bIL ...
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