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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 mm.sc,wyc oq+-jh j5 uq/*q-i0 xs1hjatom is directly proportionh.0jc5yxqsi wjo-qj +mc *s q1uh,/m- al 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 Uncertaintyt34p(kbh rrz(piv sa8 +csq2izgg299 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 positioef0v 4spzv,/ 8vdyl;on of a particle cannot be specified with infinite precision is tyo z,d;/0s8v fle 4vpvhe

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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 r .u/v-s;dcpzjfy -)tparticle increases, the accuracy inj)-spuft.yz v -dc/ ;r measuring 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 increuv dnwv+rllc/kn1 t 2tt6,8nqign /;u oz*,x +ases, the accuracy in measur 1utuoxnvw nk,/6 r*nldiq +zl;82t,t/+gvncing 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 valuse g61dek/hcd h.- ,kee 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 i gk 3.k8r,nm czxo91onnteger 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 valmc64i)gv6 0 ndvhw 8mn0;giirue 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 nuo,0z4 mxf.u gfmber 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 v :-piw l1hi-5z3mokm : vraq;qalues 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 poh wnh3l4 u.eq,wnaoe9-evxn+ *3) bmassible 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 magneti1ym-m;o4sj. xkb r0 owc 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 quantug-d*m3q l w:zpm 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 thre)+n3 4z 29os lrmc(i5ng9oqa+lt wtnv e 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 iff,tlz yo vr0;oz3of72t75ekdkf* 4 f z 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 q s 6d5ty;wq 6jjdxdaa7.:eekv 6vi:+t uantum 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 a photon is emhf 4,2ua0 3hmuul,-9 z owuyositted or absorbed, transitions can only occur between state uoh9o-2h,u lu4zfy0u,wa s3 mwith 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 neutral atobmfn u-um:kp2n,+m6 g m 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 principle+gn )g5h/zcnw .
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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, theloi,;wr a.ocy ,n2h s. letters K, L, M, and N refer to2r;c,ol o. ,wyh.s nia

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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 numbeewapm(()tk8 qr 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 there38bh*-gzsh ct es6 g/f 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 complete+ta sp 7ih iwi*5p87auly filled shells or subshells are wipt77ia ua p5 i*h8+sreferred 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 table which lack one electron from a filled sh6 dykrmz/vo +k5 j2y47h.w0p0l htpuoell are referrojd.y0mk zrpo/pk 57lh4h+ wyt2 u60ved 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 periodirb9 3pc;w8a 1k l*jowyc table which have a single outer s electron are refe*b 93aw1 lr8;jc ykpworred 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 acron):mfxovwyk2n-qsb)o, s3s4qym 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 addh.+6;ut w(qj rhpnh d.x1bmt+ ition to an object and a piece of photographicdux1.6;. nqtb+j( p mt wh+hhr 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 n5l pg 0zxi;d0w.c.vr 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 conb mg; qop)(t01 7ziq q;l ;zs.cigzjz1fined to within a space of about 0.110 nm. If the electron masql;z iz) to;g0ibq;(7pc sqm1j1gz.z 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 elecvg +e; rged81gtron traveling 2000 m/s is known to an accuracy ofe+dr18gg vge; 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's speezr:q9atacx au99 li:a5 2ey/ od 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+9)mz r*xk(v tqsywv 41:baau to within 0.100%. What is the minimum uncertainty in the positio1 * kayvu:t vb)axsq49mrw+(zn 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 uncetjzj 68 ff6g.juc88kqrtainty of about 0.500 eV. What is the uncertac6 kf86ujj t. g8f8zqjinty in the life-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 o jnn5r5:xm1 na2h3uyp4im qhm 1ia+ d2f width 0.1 nm. What is an approximate expression for the least kinetic eni+anyqnhujmrp12h54 d a3 n mxm :i152ergy 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 typip9cj wti,n2i +cal nucleus is 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 t 4boq*t hh ;,(avt8jroen/i3a he $6h$ 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 igjm:v ,bhom9d 5ikl *2n 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 thetrqjl jx4/f ))ub0p (*quf :hm $6h$ 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 inehsbto1h1uv0m a8a8 * 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 given electron has n = 7. How many values can l havefl+ngj4cvv/n: zyn hsnk/;e.90+t vd,u:p wr ?

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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 2e5s vq/bx.:u i:ghgel jl y9.= 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 v p2 m7dyrr0 b8.dc nfv/t:r3rquantum statesm:rp8073 c2 fdrnrv/.rdt b yv?

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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 jnm66 dn87i5 vd vm vmhp,o1j-the electrons h6nm1v6dm8vioj-, v d5m npj7has 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 into amlnslk 2j3u5vtm4 :r8 $4f$ 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 fw-f b,*yaft01 h*rtgo or 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 configuratio k g9g.9yuw0wqn $1s^22s^22p^63s^23p^2$. 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 electroo/ofod1zzp cg1)5en 8 n 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 co7jfxas48e .xu 3:taomn ,rgy4nfiguration 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?d1se( 2) kvdka

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  High-energy photons are6/ublfe8pi 6,ry8vb tl7oc-c used to bombard an unknown metal. The strongest peak is found for X-rays wcp,7ybcor lfl8e tv/i u6 8b-6ith 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-ray tube .w - ):ajj/e gsoeifea+4f9gfsubject to 50 agoagje4f/-ff:. 9)jse+w ei 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 5*a7 bymtq/+lpb4e lj energy level to a lower one. If the energy difference between the two levels is 1.8 eV, what is the wavelength of the emitted pho lq*/4bpe +lt7jy5ab mton?

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