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习题练习:Physics Unit28: Quantum Mechanics of Atoms



 作者: admin   总分: 52分  得分: _____________

答题人: 匿名未登录  开始时间: 23年05月01日 10:59  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The probability of finding an electron in a hydrogen atom is directly propor3(5 roef+tswk tionr 5etwfs+3o k(al to its

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2#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Heisenberg's Uncertainz.a9ct jke)s n2w/qaken5 7i9ty Principle.
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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The reason the position of a particle cannot be specified with infinite ps3cz 5edb/(ogmy9 b .erecisionbgzbsd9.me(3 /c 5yeo is the

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the accuracy in measuring the position of a parqqsg:6 p*.2l m*tygsfticle increases, the accuracy in measuring its velocity sgqmf.y6 t sp*2 ql*:gwill

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the accuracy in measja7*s boo-ik 8(i(ep auring the velocity of a particle increases, the accuracy in measurini po aa((ejsik-*o8b 7g its position will

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The quantity "h-bar" has a valuet,+hu,e 3) f vjjwdkp7 of

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal quantum numx hms(kyj 96b9s :v/crber can have any integer value ranging from

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The orbital quantum number can have aslfd;,94vtb c ny integer value ranging from

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The magnetic quantum number p*p1 mwy.-q/n,4u9mf yp zjayl.nk q6wi*b6n can have any integer value ranging from

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The spin quantum numb9cmn-nd 7ej/t c:-nk :sm yx2qer can have values of

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If l = 4, which one of the following is bq5 )e:+wbqc7.ui; / wd gnlgni5)szza possible quantum number for n?

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If n = 5, which one of the following is00maqh blyt7 7 not an allowed magnetic quantum number?

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave equation for h+ykub r:9 -bmhydrogen has solutions only if the three quantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that n

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave equation for hydro 7f5xkj rc z6rbb+mt;(gen has solutions only if the three quantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that l

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The wave equation for hydrogep 4/zeb6ek6m9otx pl*n has solutions only if the three quantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that $m_l$

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In the ground state, the quantum numbers ywxv wr:o3 :(c+xxhz5($n$, $l$, $m_l$, $m_s$) for hydrogen are, respectively,

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  According to the selection ruqt7. gm9urnu n0+cqp 3le, when a photon is emitted or absorbed, transitions ruq3n0. cn+ut qp97 gmcan only occur between state with values of l that differ by

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The number of electrons in a neunb( b60; babtxtral atom is called its

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19#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State the Pauli exclusion prikgp jk k(*j/b(*2 mit6wjsr5s nciple.
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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In terms of an atom's electron configuration, the letters K, L, M, anqwtib 0wc8z- a5.vl ;jd N refer to a bq8;tl w5vz.0cjwi-

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the maximum number of electrons that cp8se*rr8b/ (zof fohs1+qy7w3- gaul an occupy the $g$ sub shell?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How many possible sets of quantum nuqs6z)wkm1 qmtnoh; h1, p *k5wmbers or electron states are there in the $5f$ sub shell?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The elements in the periodic t b9fspr :r26gk ge-nz5tye 51dable that have completely filled shells or subshells are referred to as91:b6pgdg 5rke-tne s5 fz 2ry

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The elements in the periodic table which lack one electro)m/pwnzbu8s+1 x h c3hn from a filled shell are referred to wms8zn cbu hh3p1x)+ /as

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The elements in the periodic table which have a sing/3 didu1t ea r*qc by21ad(uf8le outer s electron are referred to asi1 r ada3tdyu(1c/uqe*8b 2fd

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The word LASER is an acronyvn 1qyf1rtf,:9pn.wt m for

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In order to produce a hologram, one needs, in addition to an objxhbxd 3wr: ii0ecf:/2h h f1p7ect and a piece of photogr2fi3dx :h c/0h: rp 1xwe7fhbiaphic film,

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  When a hologram is illuminated with a beam o t;xn db; icnx*uvn83yp)nn02f coherent light, it produces

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An electron inside a hydrogen atom is confined to wi l 6agmlxj4b+82vr8,.8ei0bzmjixe jthin a space of about 0.110 nm. 6m, j mlze.8ae48bi brvj0jg2x xl+ i8If the electron mass is $9.11 \times 10^{-31} \; kg$, what is the uncertainty in the electron's velocity?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Suppose that the speed of an electron;xas ih x(sz1m0/sl 7n traveling 2000 m/s is known to an accuracy hiss0xms/n 1 xa;(7zlof 1 part in $10^5$ (i.e., within 0.001%). What is the greatest possible accuracy within which we can determine the position of this electron?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A measurement of an electron's speed is76te)lb 6,x8d jjormc $2.0 \times 10^6 \; m/s$ and has an uncertainty of 10%. What is the minimum uncertainty in position?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A baseball has mass 143 g and speed 45.fcm8:5 o zp-w r)z 9l.dthzxm-0 m/s, with the speed known to within 0.100%. What is the minimum uncertainty in the posi-mtzmzorc9l px:5d).wf8 -h ztion of the baseball?

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The energy of an elecesn+, z e8hi479h4vpgu mv7qhn.zsu4tron state has an uncertainty of about 0.500 eV. What is the unhv.qpnuv z z4hse7ge74 98m4nis,uh+ certainty in the life-time of the level?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An electron is known t qq. pu):rr, g yh6 hbqgu(1f2y7-n 2dylsfhg/o be confined to a region of width 0.1 nm. What is an approximate expression for the least kinetic energy it could )y grluhfu,qn6 (p:-y7 1 ./2rh sdyqgfghbq2have, in eV?

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The radius of a typical nucleus is ab h1s))9nar/ ov4lkoqs xp(e6o out $5.0 \times 10^{-15} \; m$. Assuming this to be the uncertainty in the position of a proton in the nucleus, estimate the uncertainty in the proton's energy (in eV).

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A hydrogen atom is ipp 9:zm8ok je*n the $6h$ state. Determine the principal quantum number.

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A hydrogen atom is in tw ;b va5(tzl;;xydhx ;he $6h$ state. How many electrons are allowed in this state?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A hydrogen atom is in6rwmror0i i9 - the $6h$ state. Which of the following could be an orbital quantum number?

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A hydrogen atom is izkb e d.32*lacn the $6h$ state. Which one of the following is not a magnetic quantum number?

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a hydrogen atom, a given electron v1djn(v 8+esfo 5p +e,pi(x kehas n = 7. How many values can l have?

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a hydrogen atom, a given electrotjy/rnippijot ,+ g 9*57n,q2 su .xpfn has l = 7. How many values can $m_l$ have?

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a hydrogen atom, an electron with n = 7 can exist in how many different + -tct b+6e8o2tl koakquantum state bce+82ot-l6ot kt +kas?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider ground-state helium holding two eleh+7o*n chq4ts vt)o s.ctrons in orbit. If one of the electro*n osqohv.7st4ht+c)ns has quantum numbers ($n$, $l$, $m_l$, $m_s$) of 1, 0, 0, -1/2 respectively, the quantum numbers for the other electron will be

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  How many electrons will fuy iurht6d,(5cat) .jit into a $4f$ sub shell?

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The values of n and l p,f3va8hptv x3 5 dx1nfor a $4f$ sub shell are

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A neutral atom has electron configuratioyce uezr,9jd.21e ei f.cw3y :n $1s^22s^22p^63s^23p^2$. What element is this?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A neutral atom has an eleccs.14mhe p1 qj7 (6hn.zbik cftron configuration of $1s^22s^22p^63s^23p^2$. What is its atomic number?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A neutral atom has an ev2593xitdffv: dw4ry lectron configuration of $1s^22s^22p^6$. If a neutral atom holds one additional electron, what is the ground state configuration?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the electron configu)co ko sq5ycs e;4l/6+wwi 5 kx345 wfwnb5rouration for Li which has three electrons?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  High-energy photons are used to bombard an unknown metal. The strongest pp4 *ihra bmb.(+lj8qr);xi 6hz44x/c xxvgp meak is found for X-rays with an energy of mb4 a/h8 p(pxxmibl*+qrxjx.4v)cir ; z46 gh66 keV. What is the atomic number of the metal?

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What is the shortest-wavelength X-ray photon emitted in an X-ray tube su1pr 7g7 dh4o6hpo.ilebject to he7p g7o.oh41lrip 6d50 kV?

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52#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a ruby laser, an electron jump,qr3qs8dekjx +1l j6)od4 vpxs from a higher energy level to a lower one. If the energy difference between the two levels is 1.8 eV, what is the wavel,3s+qdxkjjr)lq6e1d 8 4opv x ength of the emitted photon?

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