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习题练习:Physics Unit28: Quantum Mechanics of Atoms



 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 j dk2wc7omzs 0 loywvf5 1:0*o,ez 3ptan electron in a hydrogen atom is directly proportional5 wek0mz j: cv,*zo3ls012df7ty oow p 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 Uncertaintyhf5-):(so62hgybwnl zt ju- j 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);3ks ple7n9bv17hl;c v;n jn xe6nn v a particle cannot be specified with infinite precision is the9pnv svcv);6ennh;73n lnjb1k ex7l;

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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 mkc:nzpk5nux0 wum urfx2* .7 2easuring the position of a particle increases, the accuracy in measuring its vf7uknc u.ur* 02 wkp5zxm:xn2elocity 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 accur,dta p(ue d/*jacy in measuring its position teu,p( ddj*/awill

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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"mz a+nhsj4017 .hulyc has a 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 any integer value rafp mb ;my mu77y8ff8+tnging 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 havcdj6g2zyk/) , oxvv,wv qh3b )e 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 oo(adk a ) n/-t6+qixgranging 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 numb7o tmc- 4hvz/i-if f.9 joio;yer 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 pv+65; upde bsox( ya;4vt1ryfollowing 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 uuy y:-5 *zqa;7f pdpdnumber?

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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 i;3nf;n bp0ha n gv3oo7z: kye+w otu4)f 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 has solutions only if the tcc7 .cy6.cxg khree 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 sobtq495eiws*uebsg*vkz( w 0 (lutions only if 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 quantu:8l.c1 ukcgi1nai sm: m 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 photol vswco3,vmmft+*q3y 49nby* e ;yd9kn is emitted or absorbed, transitions can only occur be9skmve*q,y43m9n*t cl;oy3 f b +dwyvtween 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 neutral atom is camiu wz7 r;*jy8lled 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 princie hhftq,e6+stpp9t0f 6 ltzv4c67dh60xayi/ ple.
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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 rnk9g/fqdzooe4a a2;qks4)5 electron configuration, the letters K, L, M, and N refer toek 9k)4a/dzo gq2rfno4saq; 5

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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 thhw oa,m1j o- w5gq5g.dat 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 arexo +1;mau p*t*t4 xrcq 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 completely filled shells or subs 3; wwk-pme4ffhells are rew pk3ew4;-mff ferred 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 ay:+op w *;uv1mho2 ldlack one electron from a filled shell are ro 1*ul dva:wo2hpm;y +eferred 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 single outer s ex.fs q,h; y1fmlectron are referred to; fx,f s.hqmy1 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 acox6-,sen0eh z 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 addilue.84x5mqe+z ska w6tion to an object and a piece of photographic fslxqwmu64 a e .ez+58kilm,

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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 wih7dbfz b i ets6l o7(0zo*oe:6th 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 atoa ynv814b2 gcem is confined to within a space of about 0.110 nm. If the electrove c8a21 nybg4n 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 kn( ,w2c clw+2 -yyc6,bugmy uwdown to an accuracy of 1 part2mwuluy+(cw,cy- 2w6 yg, dc b 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 el ib:cf2jx/+fwa8n/ms8p)+ (xhbivqxt(*r r m ectron's 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 pd l05i n t4o;gmg+ui8143 g and speed 45.0 m/s, with the speed known to within 0.100l 40dimo nuig p8tg;5+%. 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 abd8g wtlt)0sj )e1xs+ tout 0.500 eV. What is the uncertaint )stgd+ts)lj8tx 0 1wey 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 confinsfn d-l)1qq9*eo w ea;8+qrxned to a region of width 0.1 nm. What is an approximate expression for the least kinete anod)wfq-1 *;lr8qq9xse n +ic energy 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 typicaz c +k6u nuy4fbo.3x1jl 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 6q cd(pwv 9(86hk zkydthe $6h$ 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 i7o6c hps4 g2s ,mey+dy72li ron 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 ty6nj m*x)jav0raj ;fg40/ew phe $6h$ 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 th4ir15ksstf 5 ae $6h$ 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 valuladk 63wnhkrb7 t2riyb /);r7es 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 efw 9dj ao:a lfp/w8awe5*n793; (zbjbr hw)odlectron has 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 l-4tg (- at;svx;u u6k1kuote exist in how many different quantum st4t;u-oa1k kt-(;usl 6 vexug 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. If oiatfxqykz pu 8774u5 yx3 .0yene of the electrons has quantum numqz477x.yita3 u5xfupky 8ey 0bers ($n$, $l$, $m_l$, $m_s$) 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 (bhim2+hzk5g+ 4z;pho.roo eill 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 fome+b3:nwp bcz 7k77r br 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 confi5qg/ hfajom 7 nz ()yw2p2apm/guration $1s^22s^22p^63s^23p^2$. 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 cvqzbx. ooa,g 44g m20uonfiguration 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 ofp);r +qv6 idf1+ txdpetx8rx3 $1s^22s^22p^6$. 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,i )7bbr (w6mp v0ynvs 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. The stro5nbrl4y s :t)yngest peak is found for X bys :n)5lrty4-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 emitted in71rp ) h rr9,1shzq-z2lczc fddk7o x7 an X-ray tube subject to dqc7hxr2zp, 79 sd1)zh- rok1rflc7 z50 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 energy level to a lower one.zmhoec18x;d r/c-; iw If the energy difference between the two levels is 1.8 eV, what is the wavelen/x;zhc-;i c81 wreo mdgth of the emitted photon?

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