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ee-372-2009-t1-midterm-1

# ee-372-2009-t1-midterm-1 - 1 Photoelectric Effect a Draw...

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1. Photoelectric Effect a) Draw typical I-V curves obtained from the photoelectric effect experiment. Draw one set of curves for two different wavelengths of light and another set of curves for two different intensities. Be sure to indicate which is the longer wavelength and which is the greater intensity. b) Draw an energy diagram for the electrons in the metal, and use it to explain the features of the I-V curves using the hypothesis that light is composed of photons. c n4ong',h, urr.ve lry# - \ stop ,t& { 1{ -o {u*f,u^ o1 n-l*( J , ;+ lillr+ A,b +L *-/-1, a*n ,/*"{"" wll *ltsrvb +l*+ o^e2Y a^c/ W""It #*e {t,o.^- *i.*u- .*'{J oJ ** ,.^p t\ <*'rYy' -rhc' Js*^,a ;> W**o{ t-/ fL '-/'J } *or/c +'"^.4t* ^,1 *L \$u'6w*^*y a'f l'1h-{ iorct-5rry *L i#tni'\$l "f l,lAtf /6eg nat ,ntr=ug. #* e'-fu o'P +L e" Tk- 'fr*6uwty r,3pa{J ?h b ch*nytd thch ii ,#rsl'okcl ,a 4" 4"*Q*"'"**l {or"'"-{o' {= hv ' * p\ol*' l"' J"V c'\'r\t'-s ' - L " inrr o\.,rLS -thc q't*'4t*o rn"*vc.-o'f rr"3 t-t{4t c' srrl (q o^J,\ (c* Pi,'ofu^ of Pc.tJ"i of U3rut) 6 -! stop.

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O, Lr/l,.Yla.lll LlIg PrllrWr},lg \rl w4vg-P<uLrvrv \.ruq'ulJ. \Jlvv q'n wircurfrr\/ \rI n6r.rL 4vLur6 ua\ wave and an example of light
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ee-372-2009-t1-midterm-1 - 1 Photoelectric Effect a Draw...

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