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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 proport 8jjw3:khe4pmional to itsmh4:e k3wp jj8

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2#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Heisenberg's Uncertainty Principlet:+n,iyut :r ru y2ml*.
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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 spe 1y94tibv rl)wos-fpd)u e-8 wcified with infinite precision - siyw1 89uo))4vf bedlp-twris 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 measurin guunuvcbe4.; m-4n3yg the position of a particle increases, the accuracy in measurubu -; yc4em3.gun4vn ing its velocity will

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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 measuring the velocity of a particle increases, the accuracm +th5mjd -. xe ls d+,:g0cmojt2hr8vy in measuring its e+5j+v:s d d.hxmgtmjr8 0 h-ocl,m2tposition 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 valuld57z0vpq,al;b j0j7hpua4h)v 3lhs e 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 number can hi.f dy(;rj5pl)rv:e0 k kz/afave 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 any integer valueh(+wx bg l0ky6j7* k(z;jhnlu :zdu4 k 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 can have any indjrrnt ) .4q-4nyau. 6vgnr+m3irl/d teger 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 number can have val0d,2t3 nh uaxlues 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 follo0 :tokppd rm5/wing is a 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 is not an allowed vjb qp .w1bqf h+eq;xb +d71d-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 hydrogen has solutions only if the thta,8,d x+jmp bbr:0 quree 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 hydrogen has soluszuf44ja.l8 m-3v, +chcngs ntions 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 hydrogen has solutizek1wkf0.jz 5 0rrc3 .ziek p,ons 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 eg ;6fd )4vg7j*zxbz-hnfw f *dy1 sa.quantum numbers ($n$, $l$, $m_l$, $m_s$) 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 selecc.p9r:t5d vsd tion rule, when a photon is emitted or absorbed, transitions can only occur between state with values of c p.dtsr9:v5dl 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 neutral atom (bmm a b6xtr4 364zjpqis 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 exclusio:7e(hc 5( yhsl) ayfj 4mxqsi2n principle.
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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, th+yfiuuny1(n9x8 n)ctjot: 4oe letters K, L, M, and N refer tcn9o(n8:yox )+fjiu1tunt y4 o

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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 numbe4b(i 7uinvgvk 5: lsl+r of electrons that can 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 numbers or electron states are there in + bq zge4q-j7m-d 3txmthe $5f$ 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 table that have completely filled s v-o/, jcrdkz2--;aup ei3guchells or subshells are referred to ; 3opd-a g2 ,uc-ir -/zecujvkas

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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 electron from a filled sf*rv mdlp-j169f5ffc hell are 5vf fmlf-cj 1 *p9drf6referred to 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 singboshd67eu k 9m+j(3 ytle outer s electron are referred to e3+ds y7ku9 jbho6t m(as

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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 acronym 2us v- zb(l7uk 8 br4gx4zet2efor

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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-aln7t d:(h3k x2kyypy h;5eb hologram, one needs, in addition to an object and a piece of photographic filmd 2ayhplb7ytk e3nxykh(; - 5:,

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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 byfy8 (cm b,n-/ puuco)hjn, i4eam of 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 within a space of about 0. * jl1t;4parnh80/bzr gn,gapkts * ;d110 nm. If the electron mass i*h n n;brtkla jps 48ardpt/z;,01 *ggs $9.11 \times 10^{-31} \; kg$, 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 e q(oas ir/)jfs3, z8qzlectron traveling 2000 m/s is known to an accuracy of 1 partr8, z/(jqisqzof3s ) a 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 ele/9ebxl;nj9b a ctron's speed is $2.0 \times 10^6 \; m/s$ 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 5(2ajs 3f.4fcapkh 3rp* xnif143 g and speed 45.0 m/s, with the speed known to within 0.100%. What is the minimum uncertainty in the position of the baseball?pi3 s4(hack j*p.52rf xan ff3

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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 electron state /zul- vqbyybs4 / *kad3j(j/)0lkm nchas an uncertainty of about 0.500 eV. What is the uncertainty in the lifek/* m ) jy3s/d/zn lvclaq4jbu-0yb(k-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 to be confined to a region of width 0.1 nm. What is an a + v.y zm,u+*os3cbahupproximate expression for the least kinetic eners+auoc,+ u.m 3hzvyb*gy it could have, 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 about/xft cpmd2.0r:bu 3f-.fsswz $5.0 \times 10^{-15} \; m$. 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 in the7/d 2(n nhyjjt0u6qcy $6h$ 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 tho h4ryvu gt+wxi0tnfg 3jmy0zj1+jd9; )1gf3e $6h$ 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 i:euid sl:k *7o.yw/;( prtpwnn 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 in thriov2.c q(( zqe $6h$ 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 s ;--b m9u + 8wpg eiz0gbem1q5mheiz1given electron has 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 electron(rvuw8in)pf r5 qo 92;u txq4iw6 qp3j 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 i4ybm;v6on 0hk t fm,8zn how many different quantum 6 k,84fmt0;vnho ybz mstates?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider ground-stat++/d x0fic6rf0 qas ufe helium holding two electrons in orbit. If one of the electf/afx0ricdf6 u+sq0 +rons 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 fit int ,gf:t1 umn2vto 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 for a: b,kefcfg x.* $4f$ 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 config; v d3;lunzk6zuration $1s^22s^22p^63s^23p^2$. 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 electron configuratiqcj( pjvsim+n8s(5p:j(w tn :on 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 a/hn)siko inzy7a- *2g+:jc jbn electron 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 configuration 12br;ifx/ /zec. z0syduaa0 pfor 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 stront:*ri4wwvm)f gest peak is found for X-rayf )4imrv: tww*s with an energy of 66 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-ra h n)e,jme)sb;y tube subject to 50 sjeh,)m; neb) 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 jumps from a higher energy level to a lymp-t wrg7i1) ower one. If the energy dwiprm)1 7tg-y ifference between the two levels is 1.8 eV, what is the wavelength of the emitted photon?

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