Chapter 38 Workbook Solutions
Chapter 38 Workbook Solutions
Chapter 38 Workbook Solutions
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<strong>38</strong>-1 0 cHAPTER <strong>38</strong> . Quantization<br />
33. The figure shows a hydrogen atom, with an electron orbiting a proton.<br />
a. What force or forces act on the electron?<br />
Thc pro*o,^ exor+s a Co.^lo*b e\ec+r'r<<br />
focce on tlne. olert'on-<br />
b. On the figure, draw the electron's velocity, acceleration, and the<br />
force vectors.<br />
34. Bohr did not inclr-rde the gravitational force in his analysis of the<br />
hydrogen atom. Is this one of the reasons that his modelof the hydrogen atom had only limited<br />
success? Explain.<br />
No, thu grovilati onq\ fun..<br />
e\er*r i c fo rce .<br />
35. a. The stationary state of hydrogen shown on the left has quantum number n =<br />
b. On the right, draw the stationary state of the r -<br />
36. The n = 3 state of hydrogen has E3 = -l .51 eV.<br />
a. Why is the energy negative?<br />
1 state.<br />
Jwo Fcw pqc*is\e,s $a. dis*o.ncc<br />
;;; "ri+h<br />
Zgro. " i'"+L^ii^i' po*cnti .*"q$Y- q$y. Th.., electcon<br />
'I1nc, ele.tcon<br />
iu,["'i; +h; -irril*. atom qnA<br />
*oqethcc in tha<br />
leJs *hon O e-V.<br />
b. What is the physical significance of the specific number 1.51 eV?<br />
\,s i s *he \ir,J,irl,o q-nef qy of o.n c\ec+co''<br />
s{a*iono,ry s***e. 'ruit ir +ho hrrrovrnt of<br />
ho.vQ, *o 'oAd *o &ee *ha. e\ec*ro". to*<br />
ls h^\,\ch, rn\ch s^nltor {Lo.'n tho.<br />
q<br />
tetw"on *h"t"t r'= oa hqvq,<br />
or,d Dcoton afo<br />
S o ^"St horr. o.rn<br />
b J.^"d<br />
Ql^efsY<br />
i'' *ho n =3<br />
a\e,r3Y $e *oold<br />
*ho o4orn.<br />
d<br />
I<br />
=<br />
E<br />
o<br />
o<br />
o.<br />
d<br />
o
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