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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 hydrogen atom is directly pf-((s2(bbrp jkk 9 hvgd.iv9x9 hwx b;roportional to itsgfs v9 k9(wdkb(-. 9bhi2pxj (v r;bhx

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2#
 
问答题 ( 1.0 分) 切至整卷模式 搜藏此题  
State Heisenberg's Unc.c s53c5ctczlr2t+nme+ g4 hm ertainty 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 specivr ,6 l-icbn6gs7 p(ugfied with infinite precision i,cb7ng(sgr vuilp6 -6 s 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 pvc3nny,iv f2p2,m o c7article increases, the accuracy in measuring its velocv ocpfyn7 3,i vmc22,nity 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 velpdvz9w9a.g* gxu 8 g,qocity of a particle increases, the accuracy in mea dxzw9,ugqg8a 9v.*gpsuring 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 a3vk*8mg j-b bl value 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:u 65t2v +a,i dkylfzu 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 cs :c hw3hqf8rzl ( ouaj)9/67.nrtljban 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 value ranging fromlbq0pcsn1 pr;21hx a-

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The spin quantum numqvm4 .rs3u +oi2d.yym ber 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 followin5b+oe8ial/g 7yhm f 0vy:.a usg 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 magnetic quantum num eiiy8 2:,rzvn)c2 pymber?

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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 hydrogef (h5rli 1wmb/)k/ w;z g;7svhgusc3 qn 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 hydrogen hh) dph,mg3kghgyk1 .7 as 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 the three qd g;; feoda c+qkl.hg ,lwbg9t6mb :,5uantum 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 nyj1zum(ha*8r*r9yy/; hsixnumbers ($n$, $l$, $m_l$, $m_s$) 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 absorbed, t/ d-rrrn7 k/rsc7xqugyu /z p,5 k2v1pe4:ou cransitions can only occur between state with values of l that d nxk pvydg72 rc1u/-4r5qs/r:u,or e7k u/cpziffer 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 inod tvq l,7jzwu2 rp ,rg5),og, a neutral 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 exclus5anp/du(q+ tg ion 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 configurat11alq8 pq:4feou hqtz2gv:6 mion, the letters K, L, M, and N refer to tehq zf o18 gpa:4l:1m62quqv

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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 can o:txkql ma r(8c1qxm:3 7e t(loccupy 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 o)v etu/h x08gum7g*q( hbi*s yr 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 f l1 d9slc82d)jqs,gve r+9zs1ioj9vtable that have completely filled shells or subshells are referred to rlsej2q1z,) vdijo 9fcl9vg98 s1s+ das

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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 s1j.mfkst hubh zh 0(;9hell are hf1jh(9tu sz0h;. kbm referred 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 singlehlg t6/e26 zfu outer s electron are refertfh e z66u2g/lred 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 acr0 jer )v:t9quxonym 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 hw zso)b u1w7*pbc 1vuvd-e(/yologram, one needs, in addition to an object and a piece osbc*)uvzpeu(/ vbd1oy 1w-7 w f 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 illum4i4 i qjhpfv/ i00aaj1inated 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 i7dza,z d-zlot 02t;1ag,uryn3olwy8 s confined to within a space of about 0.110 nm. If 3 rlnd; o,la- 2g10oatyzz7yw zt8d u,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 electr0 +.i q. y7,w)r8)n m7hskjj zkyrhspzon traveling 2000 m/s is known to an accuracy of 1 zhks k),7 .p q)nirh7m.z j+rjs0yyw8part 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 speedkd zgnb0r odl1-ka3:g80s c1ps 4q;vp 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 k6t v ;6ghgw0tcnown to within 0.100%. Wha g0w;6vtg6ct ht 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 fmbs /34g2b oo;nelbn suc-o2p 8//y cuncertainty of about 0.500 eV. What is the uncertainty in the life-ti2/o n sonpybgbs ue2l/ c3c-/;fo8bm4me 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 bep ijboh6e)c jmja.)(n h5o4 k( confined to a region of width 0.1 nm. What is an approximate expression for the least kinetic energy it could have,ho (5pmk(j ioejh)a4bj. nc )6 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 at rf. d(g -iq ou (dn8u3n)wheacl.99about $5.0 \times 10^{-15} \; m$. 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 th7f-5mho2 8;a5fxdc u7y u)neg eoky3we $6h$ 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 inme ;* dfugp,0uv-awb1 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 theling*4 j.+-qjfuwbb+ $6h$ 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 tngf/)7e b 7lnahe $6h$ 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 has n = 7. How many valudz*wp0hqf)5 abain9di2 i( c6 es 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 -hy dvku2t5: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 quantj(1r96 x p*mikqub 6eben )4hkkbbjr1 i9eqmk pe 6 (n46uh)*xum 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 one of the elec 0;avw4,dxhg7 7 pmdwztrons;,xm4a zwh pd7gw7v d0 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 w(yr/dvzr c4o(egy l+5 ill 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 ed/ik*y)zd4 h) .vos xl for 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 confh ox+npd- g2 vr)hnqw1k4*p+figuration $1s^22s^22p^63s^23p^2$. 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 elecxp0v( 6n.ru ze8y:naitron 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 anljax fn c *no j)(2mcw- *97ij3mlcv*f 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 iz8i g7grud0n2hmq 5(f:(xpp 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. Thep7p7p 5 erq 8kc*gs-xq strongest peak is found for X-rays with anpp-grxc8* eq k7qp 5s7 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 phojl yihd8)03x)pfop8 sf( wj9*0bujwcton emitted in an X-ray tube subject to 50 kV?jj *l9c3 s foip8(pwdu)0y x08jb)hwf

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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)osn pave1 2xut-z8n0 jumps from a higher energy level to a lower one. If the energy da)zusp n n1vo8t0x -e2ifference between the two levels is 1.8 eV, what is the wavelength of the emitted photon?

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