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习题练习：Physics Unit28: Quantum Mechanics of Atoms
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 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 hj1 d8c +8:nmyq kbgy.rydrogen atom is directly proportional qym+kd8:nyc8r1 . g jbto 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 Uncertainty Prxy8:1;ux )gqu, ofwmwinciple.
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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 caqx nwis/5c m9 q4/,-jjagu,jtnnot be specified with infinite precisio gmc, qxq,-i95ju tj4s wj//ann 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 particle increases, thef78dz4irb9q*f3 wk rv accuracy in measuring its veloc7 f84 b *qdv3fkrw9rizity 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 accvpjf ,2/9s2zzwhx 7 uluracy in measuring its position plh 7s v2zx,uwzf2j/9will

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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 val4shmo r.s7, fmt +k.svue 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 have any int vikp5omz 9ei.:smc3iq:x83 oeger 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 intl z6x0 v3+rz7dq5ppiceger 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 wej*d 5(kduhbj p(rp7g 8 4dw(number 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 number can have : va(b oc hgt6:(,knor6pgg65ndq sx,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 h7a-ancvo x;u0nkuvpv ;mm3 9u6n4p+ 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 a r8+x7tyxa-8lc ds ,5y zk4bmvn 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 hydrogen has solutions only if thelznfy,- i p---5p snh6xheg6g 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 hydrogen has solutions only if t -/y+nr 7 vtxojfq6z t b54 +v5herxedkh5;pj2he 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 solutions only if the thrl u/ +4r(cf nnmd jqsp;u+vf/4ee 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 (k6hviq) re l2,4o f-fyjqukjh0e0z (8$n$, $l$, $m_l$, $m_s$) 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 a photon is emitted or absox9pffl2 ))zvy:gn) l drbed, transitions can only occur betl ff9z:dyx2 pg nlv)))ween 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 neutrb8cord/x0hf6h v)d9glbq 7 c7. x mmr6al 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 principcze. 0so.fm;:+z ruvgdx)q .cle.
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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 el4rw aico3fnrp+ 0l1 j2azf3c e)c-w-l ectron configuration, the letters K, L, M, and N refer toif1n r2a-alplc43+e-o wwz)r03 jccf

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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 numbc,c65 vkuu7a w7g/azuk6 etv 9er 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 stia(9ry dd:uc +ates 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 cozs frufhbz e3)vw td*4+)i;6zxn;-mempletely filled shells or subshells are referred to he vb usifm;3z*)n et6fw+-z d zxr4;)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 tablegwnc m-)5u-au which lack one electron from a filled shell are referrn-wg 5a)cumu-ed 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 .ynu4+ nw7sjy:t,c onperiodic table which have a single outer s electron are referny w4jsc.n,ty7u:o +nred to 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 acj)g )p1volw kj bsta( .eo47e+ronym 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 object and a piv4 f u90nm1 maq mt-n*iy59qvmece of phutn5nq9 19mmv4qify*-a 0m vmotographic 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 of coherent light, dunj,rhd*t n:no- u6ej: 4u y(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 o5-vro i.kwp- ;d*xyhj,il 1iatom is confined to within a space of about 0.110 nm. If the e o vop.w, h-jiyl5kx *r;i-1idlectron 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 traveling 2000 m/s is k za)w2 8cu/ hpz+mh4uanown to an accuracy of 1 part 4au hu 2hzpzam/ +c)w8in $10^5$ (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 spee sr3 1rfx*1uv +c 0mi/1rcgacq5 oek2dd 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 known to withiadlk ub*ra,6 fgh:.7ln 0.100% fbr7*k:all, hg d6a.u. What is the minimum uncertainty in the 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 state has an uncertainty of about 0.500 eV. 8hpl8cqmqf ui*b9,oa;fy u1 *What is the uncertainty in the life-time of the levelmuo qu 8qicaf;f8 *h, 1p9by*l?

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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 regixk v uwcf-cc2xc-/d imm+e3j 10nv12o on of width 0.1 nm. What is an approximate expression for the least kinetic energy it could have, +k3-jcm1f1n iov x/w0x dv-c2c m2ceuin 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 i n,xak;*(4wp9rjjx z ns 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 the aqjc++8ak-k vs7zpt a nh+ l 9ud1b;r-$6h$ 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 thdj,wcck/m; *k e $6h$ 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*oonjws0.-)e ;d fl mkn 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 thg yayrcqk7j(13trww1 (/ xu t.e $6h$ 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 given1s ap( i4jrii) 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 has l = 7. How many valn57axke2n-1r gfs gs 1ues 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 em.u biv3;qev4*x; nrig dgfcq,l+-2 how many different quantum s2c-;+3iqim 4 ;gebrgufvnq* ,dev xl.tates?

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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. Ifd0 wcl-ck,wk m1m2+axws kswn j;*4o0 one of the electrons has quasko cdwx01 mw2-wakc n sm +k,*;j0w4lntum 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 wil::fa2 *aosd dzl fit 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 for a,4 0t* efuk v58ggik1mzg ma1s4ye9b 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 configuratf o-n- /t-pkmbion $1s^22s^22p^63s^23p^2$. 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 conf,, 3e7rbt i(oxopdga) iguration 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 electron configuration of n5okm))w a89 c.vwn xx$1s^22s^22p^6$. 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 whi,0nc9.:l4pyr ko zy:of+ stvoch 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 meql* 2xq)kfmc. a,f1z berj; ;ttal. The strongest peak is found f.ft1 kxmbl ;2*afcj,q;) er qzor X-rays 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 e45axmodf7cxxa1-jy ; yz3t6 cmitted in an X-ray tube subject to 3 a jyatmxz41c6 x; x5odyfc7-50 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 ene(-y8i oxh lg:grgy level to a lower one. If the energy difference between the two levels is 1.8 eV, what is togy-i(8l : gxhhe wavelength of the emitted photon?

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