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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 eikpwr/(+ndu4 gokxo b8(; q q mnfa35)lectron in a hydrogen atom is directly proportional to g/w)n (;u+4k qpnr38q(kifmdaboxo 5 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 u2l k1muz)ue7Principle.
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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 op 2sekg 3:l+mtf a particle cannot be specified with infinite precision is 2s+lk3p etg m: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 partmsad8hwmp0 uums*/m(t0 m3f :icle increases, the accuracy in measur0:ms u0 s 8hm*/mdmmfut(wp a3ing 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 increas*b a(ttk (clz:es, the accuracy in measurin*ltt( :a(b kczg 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 vl9. q ,e 9 uqqi7*-xtmofp3ibqalue 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 integer valu3,gd, r :fiacte 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 value rangi.4ho g+vzcb)ang 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 dyb73 /f nfu5snumber 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 value kk:dde+1lbyx .(a4gp s 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 num2( dbpdrp6ft5m jp; h/ber 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 nn2i+r z58bz zmot 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 hydrogen has solutions only if the three quantum num eyy ci0/sbyp63 73f,l fzqd3cbers $n$, $l$, 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 hyde0za ra4y.pujll)+zt) (;n ghrogen 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 hydrogen has solutions only if tu,f z9i r1 t4ci2ep-f9klu(gzhe 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 npl;1c -f52co4 jbk sihumbers ($n$, $l$, $m_l$, $m_s$) 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 fgkpg--ohzk:b0/:ig a photon is emitted or absorbed, transitions can only occur between state wik:f0- -h gp/zgiok gb:th 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 neutrmdp-*uzv : ue,al 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 f7v: i;m*2rvik* rhdt jdk1)p44o acrprinciple.
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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 -/+tqm lysu0 cvuu,,qletters K, L, M, and N refer tcv q/0sqyu+-tmu, lu,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 number of electrons that ) 7 otqkll5xr20r nw4acan 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 quantu5 x z(vzt)mux/v.rc 2g2 ffa,pm numbers 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 table that hava6l* )fouqkk- 1sz4re xwh6 f7e completely filled shells or subshells are ref6xk-lk6eah*f uz7q )s wfo4r1erred to 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 tabxrh4p wy4le4/fl +1e yle which lack one electron from a filled shell are referrepeh+ w4lf4rx y1y/el4d 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 singlcsa a mkv(a-x 29h4b)le outer s electron are referred t4ba)xhksm- 29 a clv(ao 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 a*102am tb)+pace qreq eo(d 6)a 9uqy4f9bfsvcronym 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 ak rmva2 o.ra8yx a bu2na+ rvwn18k87.nd a piece of pho.8v+wn ab.7arn18rkxom8ark2 avy2u tographic 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 withhj/ sv3ifum81rv xn 1- 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 spa d2k cg3vops(qq ej8:w,*o0yb ce of about 0.110 nm. If the electron mas 8*sd2yk p o g3wb:vo(cqjeq0,s 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 known to an accuym p0h o-y*-lfkc f+g0kqw -e4/tr7dh racy /-yeohywm7tq k0-*ghfdr-c lk4+f0p of 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' 7uyb3evtjjep6j4(*f*3v i qqs 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 speeqm4 6im/ugh7 xt .8ojud 45.0 m/s, with the speed known to within 0.100%. What is the minimum uncertainty in the posit84 oq6 x7/tu.jmuimhgion 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. What ihc rl5j s 8je:uky*4804jnwrz s the uncertainty in the life-time of the *ck5ry0w4s rju 8jz :8j4nhellevel?

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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 toxns +gs,k( :xc a region of width 0.1 nm. What is an approximate expression for the least kinetic energy its:(sk,c+ng xx 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 iss1ot:r:p3 awp3o - r jdxta-7xbk,g7n 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 1*)wp4 fh ,jf hak2xeothe $6h$ 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 t 0db6g(rdh;yx5- ot4 hokdmn:4qmz ;whe $6h$ 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 7* 5 yji(k-nny3uufwxuq/z)3q ,w h r-vg5k vythe $6h$ 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 . yn83u h9+n(o o+fexthjjl p6the $6h$ 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 electronb8 yq;ar6)j mw 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 values + x6xvsahkrz 8b,nw)5can $m_l$ 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 diffevy f ryw/vfk ;:vyx+) n33ob3rma5g7trent quantum state :v3f)v / toka+y57;gwvxf3 rn ryb3mys?

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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 o jha2i5k6z p4in orbit. If one of the electrons has quantumhjpaz46o ik 52 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 into *p k9iizyjm2h)*wrt. 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*jm pn)i2z 1fj- 1le*/v autbo 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 electronf.8t hfwrl54 n configuration $1s^22s^22p^63s^23p^2$. 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 e/7rcdev ,o7b4m 510b leqnk(ed woe(qlectron 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 electron configurd r n98osn/r;vation 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 n; yb;d*o* vs3mg.qy z)1ellsthree 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 st flr5 51hxx- oas;gl4frongest peak is found for X-rays with an energy of 66 keV. What 1 gxl;54 5hlsfrfx oa-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 a-f6w9odrp 8ki-eg:3 gr 6bgnw8s jit4wxp;( an X-ray tube subject to 50 kw6- ri bp9j4x-sg (rfkdnw ge 3wopt86ai8 ;:gV?

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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 eneru2 g b)c94yc-7nqb3mu mc( je)4 xpfa,d oyz:lgy level to a lower one. If the energy difference between the two levels is 1.8 eV, what is the wavelengpa)4ym 7nc4ojlcz) b,c uf:-eu md29y(q x3b gth of the emitted photon?

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