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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: 游客未登录  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 ato,wio2q(r x/ 0j1 (yrn)zs yawom is directly proportional /noqaxyjy0s )2,((w1 wriorz 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 Uncertai87kye)*td o9 /uz fnnvlj p;+hnty 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+ /oodvp3zeitjsm0 . 3 particle cannot be specified with infinite precision is 03to s./ mjzp ov3ide+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 particle increases, the accuracy j2gb 1dcebq+ 8g15rjvink x/a-dm +f1 in meanf+1d+ qevg1gai18dmkxc-5 br/b jj2suring 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 rwus9rrdq3hcx xa; a*6 n/+s6e 7ws*fthe velocity of a particle increases, the accuracy in measuring i+fusxhcs swda ;rw **6 aer3/7 9nrqx6ts 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 vasoz f2b+nbm3,lue 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 catpfg8xiib54j kjxn* 66p. im8n 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 numb k0. ,oame6q)fir skp7er can have any 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 can have any integer v3 i 5gj rb: rgs2izjkp;8vbz3+alue 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 cann; ;qjyr:qf s7 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 a possible quantum number for jj ; mvb6hn(ri f85e7yn?

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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 a;+n(0 xt,r t1spdonbullowed 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 thwe9pn5hasv4ssj3 7852 eg+ qdv/qvueree 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 solutions only if the three quantum numbers6zo0ll 1skgp) $n$, $l$, 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 solutions only if the three quantumabc ;5 gtppv5a8, on/m 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 quant3ja 5aidagoo-7:h-a /*mh rf yum 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 selection rule, when l mqxz .iickj q.a, g8v)4z-t:a photon is emitted or absorbed, transitions can only occur between :i .x ,c)zikat-4q q lvzg8j.mstate 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 neuttu8dzs3)47 ufug2x wtral 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 exclu;rs 78oz x1ygwlj(io4 sion 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, the letters K, L, M, and N refer k+8v 8hta0 oe1io1 xkite 0ia 1v+18okxh 8otiko

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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 electrs, )w zqh2bxe2hi:mu 7ons 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 qn0 yek 9wqa )) tx3/pt99yntrelectron 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 table that have completely fi+-drdu qw9f/v07nd*yqy z9c ylled shells or subshells are referred to9vuddy+c7 y qw f /d-nzr*q9y0 as

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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 s.m7fen3ascb +v3g yz,hell are referred ynvg bf+az73smc,3.eto 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 mba7j;2w.2 uf/kfr hzsingle outer s electron are referred tofb.h22 uk7jf/zawr 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)* /z7 h1uatia 6z7s,q rtaumv 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 az1r+82tru-/- ,vd:tj vk owf whb5xk-m crn h-ddition to an object and a piece omv1b85x2/ z- drk--tk hfjcvw :uw h,tr- nr+of photographic 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 ilcrdoo8ka w;kak5 /9sfw)8 *z hluminated with a beam 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.wtz vky.;v)m u6t w1;e110 nm. If the electron mass kwv;t) 1 ;zmvewuy6 t.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 h(*r7nqwdfw k5;0h;.m0l dp h7c g jwgelectron traveling 2000 m/s is known to an accuracy of 1mhg;.f j00lwhd d*n 7h5wcq(g7rk;p w 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 5f . p+d.avhqs,gs:u: h6dwdselectron'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 143 g and speed 45.0 m/s, with the speed cjao , ue jhkrrfzy/83+d;8a6known to within 0.100%. What is the minimum uncertainty in rj a;/c8 yj368zdr+,huak eofthe position 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 electron stateyb:3ilv)jzhs+atl 4e sk h*+/ has an uncertainty of about 0.500 eV. What is the uncertainty in the life-time of the levell :sale/vyzj+bkih4h 3)st +*?

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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 ao 5gbhw7ln xz:8c h1o:pproximate expression for the leno hgz7w hobl5:x8 1c:ast kinetic energy 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 8gfpx *x;lk;k9m;9 p ka ehg 9e+9ggkeis about $5.0 \times 10^{-15} \; m$. 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 t8ns3 yogt-du6nj 04jrhe $6h$ 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 uoi 9 9swab.d(the $6h$ 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 in thaspf,ub(p s oavq-kz i /+qi7j7 :-4cme $6h$ 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 io la(6f4bwzc7 n 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 givei 7nlk1rd v) l+z6ujfpy5z0 p+n 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 hahk8ix.tu2g9-(o)cjewz za9v s 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 cary0;t f1q qmhjr12hq6)( yxswfoe u-7n exist in how many different quantu2 fqrqjt71 6 ouysxh0rwe;1hmqy)(f -m states?

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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 electrons in orbit. If pz/ui(pgm pfs) 0j 92xone of the electrons has quantum numbsizp92/0uxpg(p) m fj ers ($n$, $l$, $m_l$, $m_s$) 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 into a j tp2. 0 jb ovcybs(.5zeat;,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 fob po kshkl8v+32n- mj+r 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 configurcxjmc 3d *ta/ s3i3mg(ation $1s^22s^22p^63s^23p^2$. 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 elee(tujga)m5x4d;*8s d cbs cj9m- qg6cctron 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 f 2g-mxm+ m4meia z3x.wj,cee5jw5o(-rg1ll 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 for Li which has three electrons?jbjk +8;n.dlan3c*vk

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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 mrzjn6 5*cp 1punknown metal. The strongest peak is found for X-rays with an energy of 66 keV.6npz*1mc5pjr 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 subject tjkp/1pf-tb tk0q;u bt,3 ))ihd8nipao ktb81)htq-i/jkt3 p0,)apdpi fub;n 50 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 energ7nw s o.zvf*a1y level to a lower one. If the energy differencev 7o*f.waz ns1 between the two levels is 1.8 eV, what is the wavelength of the emitted photon?

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