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习题练习:Physics Unit28: Quantum Mechanics of Atoms  作者: physics

答题人: 匿名未登录  开始时间: 23年05月01日 10:44  切换到: 整卷模式

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1#
 
单选题搜藏此题  
  The probability of finding an ele(x6r *hktf+ jc ,ob86sm psi+lctron in a hydrogen atom is directly proportionap bckj6 6(8+,rimsl*s to +hxfl to its (1.0 分)
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2#
 
问答题搜藏此题  
  State Heisenberg's Unceratymdu 0 (h,lbii)3ez5v* 2jgtainty Principle. (1.0 分)
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3#
 
单选题搜藏此题  
  The reason the position q:jd48m96 .u * u+rqpppfzcjuof a particle cannot be specified with infinite precision i4ump uz.8+ pj*j : dpc69quqrfs the (1.0 分)
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4#
 
单选题搜藏此题  
  If the accuracy in msv-f hb /zmzdr5 t o+(:ahj()geasuring the position of a particle increases, the accuracy in measuring its velocity wrh/v dzbh t5+ mj)s(z(o:g-afill (1.0 分)
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5#
 
单选题搜藏此题  
  If the accuracy in measuring the vb0/g;ebl xtf l x6fd/7elocity of a particle increases, the accuracy in measuring its position wilxx bf g60d;l/e/lb7ftl (1.0 分)
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6#
 
单选题搜藏此题  
  The quantity "h-bar" has av: g(h eibfme h2u ;,i/uv d*ua7jd*7y value of (1.0 分)
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7#
 
单选题搜藏此题  
  The principal quantum numbe c)n34a rz:naor can have any integer value ranging from (1.0 分)
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8#
 
单选题搜藏此题  
  The orbital quantum numg /ui(ef8 t6niber can have any integer value ranging from (1.0 分)
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9#
 
单选题搜藏此题  
  The magnetic quantum number can bj)77pqitdj64xav z .have any integer value ranging from (1.0 分)
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10#
 
单选题搜藏此题  
  The spin quantum number can hadhz v z0:lvx,tg30 j,bve values of (1.0 分)
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11#
 
单选题搜藏此题  
  If l = 4, which one of the folqa w*p8mxcm/-/ it9qmlowing is a possible quantum number for n? (1.0 分)
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12#
 
单选题搜藏此题  
  If n = 5, which one of the following is not an ai7pgr 2e xbs z;/h(r9fllowed magnetic quantum number? (1.0 分)
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13#
 
单选题搜藏此题  
  The wave equation for hydrogen has solutions only if the three quantum numbe8,rtjl 8 qxv vjj95j5hrs $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that n (1.0 分)
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14#
 
单选题搜藏此题  
  The wave equation for hydrogen has solutions only i d rgp2.4o5 0ov*mnw4zryk6 tcf the three quantum numbers $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that l (1.0 分)
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15#
 
单选题搜藏此题  
  The wave equation for hydrogen has solutions only if the three quantum numbersygoh4t+44ix9htw7- l bszl8fzly k8, $n$, $l$, and $m_l$ meet certain conditions. One of these conditions specifies that $m_l$ (1.0 分)
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16#
 
单选题搜藏此题  
  In the ground state, the qu0 u82 i5sjxl.t.dsewxantum numbers ($n$, $l$, $m_l$, $m_s$) for hydrogen are, respectively, (1.0 分)
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17#
 
单选题搜藏此题  
  According to the selection4 :z kgzjrzgy b5g6,ohj*(bz) rule, when a photon is emitted or absorbed, transitions can only occur between state with valko:j,zg*z65jbzgzg) b yhr( 4ues of l that differ by (1.0 分)
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18#
 
单选题搜藏此题  
  The number of electrons in a neutral atom is c0) g)6p x vnv6srf( /ekus-arralled its (1.0 分)
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19#
 
问答题搜藏此题  
  State the Pauli exclusion princi7q*3pvt0x3 v(lavg teple. (1.0 分)
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20#
 
单选题搜藏此题  
  In terms of an atom's electron configurh+u09duzs g0e w;dwpol* z ch8i557oxation, the letters K, L, M, and N refer ti0 hzzl59 8d5ueuwo0xc*opd h+g7 s; wo (1.0 分)
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21#
 
单选题搜藏此题  
  What is the maximum number of electrons that can occx24 y5+ahukw dupy the $g$ sub shell? (1.0 分)
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22#
 
单选题搜藏此题  
  How many possible sets of quantum numbers or electron states a.hvik;6u qtm qga kjag42 01n5re there in the $5f$ sub shell? (1.0 分)
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23#
 
单选题搜藏此题  
  The elements in the perio+sw7 ) m2 :9tvddlooyxdic table that have completely filled shells or subshells are referred dmy7ld o:wv) so+x2 9tto as (1.0 分)
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24#
 
单选题搜藏此题  
  The elements in the periodic table which lack one electron from a filled s+9wnqeq*d1m-() a e mhr h1gothell are+qh t w -q(ge1ndea1)hmm*or 9 referred to as (1.0 分)
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25#
 
单选题搜藏此题  
  The elements in the periodic table which have a sin2:ppj/ 9rhe-v av-uqbgle outer s electron are referre2jqe/ u:b-arv9-vpp hd to as (1.0 分)
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26#
 
单选题搜藏此题  
  The word LASER is an ac(t-(*u yg pzldronym for (1.0 分)
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27#
 
单选题搜藏此题  
  In order to produce a hologram, one needs, in adgh5fbz-5ukon; (e; z1oy.kyudition to an object and a piece oyg-ozy(okhznkf. u u;51b5 ;ef photographic film, (1.0 分)
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28#
 
单选题搜藏此题  
  When a hologram is illuminated with a beam vu awpm:bu kae b9x6v+w-8.5rof coherent light, it produces (1.0 分)
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29#
 
单选题搜藏此题  
  An electron inside a hydrogepb .dg6 hc)tjh5nd)g ;n atom is confined to within a space of about 0.110 nm. If thjc;tdh)d5)bgh n6.p g e electron mass is $9.11 \times 10^{-31} \; kg$, what is the uncertainty in the electron's velocity? (1.0 分)
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30#
 
单选题搜藏此题  
  Suppose that the speed of an electron travel :oqz l8eop rb9+s-ip6ing 2000 m/s is known to an accuracy l oro8 :eb9-6ips+zp qof 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? (1.0 分)
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31#
 
单选题搜藏此题  
  A measurement of an ele gfph6(nvkk 43ctron's speed is $2.0 \times 10^6 \; m/s$ and has an uncertainty of 10%. What is the minimum uncertainty in position? (1.0 分)
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32#
 
单选题搜藏此题  
  A baseball has mass 143 g and speed 45.0 m/s, with the speed phy89mfoq:cbt / n9x4 f5.sw8+dpojt known to within 0.100%. What is the minimum uncertainty in thepp /qs. fd :w+4bjt5 cf9o8hmnt yo89x position of the baseball? (1.0 分)
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33#
 
单选题搜藏此题  
  The energy of an electr micl, vlj8.;3ss /goxon state has an uncertainty of about 0.500 eV. What is the uncertainty in the life-time of the l;il.s3x 8/,gmjvs cl oevel? (1.0 分)
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34#
 
单选题搜藏此题  
  An electron is known to be confined to a region of width 0.1 nm. What is a3-;4 zvtq eebpn approximate expression for the least kinetic energy it c bt3z;qpv4e -eould have, in eV? (1.0 分)
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35#
 
单选题搜藏此题  
  The radius of a typical nucl8jr16chkv- 9p ctl)+kloqb6ueus 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). (1.0 分)
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36#
 
单选题搜藏此题  
  A hydrogen atom is in th,zul 71).oim8tu nrti e $6h$ state. Determine the principal quantum number. (1.0 分)
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37#
 
单选题搜藏此题  
  A hydrogen atom is in 2b75jg/- yut gdlgwn9the $6h$ state. How many electrons are allowed in this state? (1.0 分)
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38#
 
单选题搜藏此题  
  A hydrogen atom is in tdguxnq llkdn ;25 wjvvq4(-t:.g27m the $6h$ state. Which of the following could be an orbital quantum number? (1.0 分)
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39#
 
单选题搜藏此题  
  A hydrogen atom is indtd/pem)j;s +m0vqqqytmj d15n* 2( p the $6h$ state. Which one of the following is not a magnetic quantum number? (1.0 分)
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40#
 
单选题搜藏此题  
  In a hydrogen atom, a given electron has n = 7. How many values can l q-riuqz2;ix +have? (1.0 分)
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41#
 
单选题搜藏此题  
  In a hydrogen atom, a given electron has l = 7. How many values caaft8 roer+w4sr+y 5,j n $m_l$ have? (1.0 分)
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42#
 
单选题搜藏此题  
  In a hydrogen atom, an electron with n = 7 can exisu rsx.a+9qgy,t in how many different quantum staxy rq,g+. u9sates? (1.0 分)
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43#
 
单选题搜藏此题  
  Consider ground-state helium holding two eleca/1d4d0kx1 )elq 9d auwyt6rj trons in orbit. If one of the electrox)d0ka91q4ldj1u ae /rwy6td ns 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 (1.0 分)
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44#
 
单选题搜藏此题  
  How many electrons will t /dedvt.c*n(fit into a $4f$ sub shell? (1.0 分)
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45#
 
单选题搜藏此题  
  The values of n and l feh:+eh id xj:lnux8+)u;dgmgy3+ a3 wor a $4f$ sub shell are (1.0 分)
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46#
 
单选题搜藏此题  
  A neutral atom has electron configuration 8ibwu .x1nmpn1 f)n/b$1s^22s^22p^63s^23p^2$. What element is this? (1.0 分)
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47#
 
单选题搜藏此题  
  A neutral atom has an electron configurb/vh2s.bdjm ( ation of $1s^22s^22p^63s^23p^2$. What is its atomic number? (1.0 分)
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48#
 
单选题搜藏此题  
  A neutral atom has an elec)yykqgez 6yb8+-)q. esi)m uttron configuration of $1s^22s^22p^6$. If a neutral atom holds one additional electron, what is the ground state configuration? (1.0 分)
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49#
 
单选题搜藏此题  
  What is the electron configurt* kfd,jt) s bmc5 9giag0;yx5ation for Li which has three electrons? (1.0 分)
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50#
 
单选题搜藏此题  
  High-energy photons are used to bombard an unkn*rwe-da.v356 gln+i pxow9s iown metal. The strongest peak is found for X-rays with an energy of 66 keV. What is the atomic nwx365dn- ev.*i sgiorwa9pl+ umber of the metal? (1.0 分)
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51#
 
单选题搜藏此题  
  What is the shortest-wavelength X-ray photon emitted in an X-ray tube subject to: s3;taa+xp j7isuepojc+ 12r 50 keu1 rs+:7joa ;+ts3pixac j2pV? (1.0 分)
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52#
 
单选题搜藏此题  
  In a ruby laser, an electron l.1juzl, a7wxt0h p6n jumps from a higher energy level to a lower one. If thep.nlxwu76a ,t l1 z0hj energy difference between the two levels is 1.8 eV, what is the wavelength of the emitted photon? (1.0 分)
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