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习题练习:Physics Unit28: Quantum Mechanics of Atoms



 作者: physics   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 propo+b0lqac8 , qhdiq+- *--wfzxopa7d hi ol,oy-rtional to i- iqo7f-adwd ho-0zplq i-cb+ ,*a+ly ,h8xo qts

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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 P5yu /cwgg0.1hrsm9 1nz8sxk)uc w/jarinciple.
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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 can70uqejwq,lq), z-s oenot be specified with infinite precision is tewsqe0 )o ,-7qjl,uz qhe

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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 particle inc8y *vzdhq;y.g8ya5pyfp3ljvf iy r2- d :w(z* reases, the accuracy in measuring its velocity wj y i8( a8yzq:h wvf2yzy **.5y-vld;fp3rgd pill

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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 in/ksdj;nd) 7 ok :; zz8n7jiytzcreases, the accuracy in measuring its position wi:;ni/)kdtn 7sdjko z z87yzj;ll

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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" har,rgua n+uel.t8 w8i6 s 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 3buy3wr6/ q+ 5rsgrra b/xfr4can have 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 can have any integer value rat kjj4k5 6o4b xa(n(pdnging 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 rangl , s0-9 hxnidv/ben7ning 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, 270yfh1 xaplrcexo 4s 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 .5cll p11wcb ois 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 mag,l1x7rdne ad xd +m07xnetic 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 qumrp/-mqdn 6 e9antum 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 hazp w 2l;s8a9pas 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 )0(ysh zh8 -c eg:iciqquantum 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 number s/w1dffh*c+ys ($n$, $l$, $m_l$, $m_s$) 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 emis0a g( l22g: ,f eajxfqdw;0sbtted or absorbed, transitions can only occur betw;f ga jqw, s2(2f:00dsealbxg een 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 qdamr)o8p 6a.; ez*zcin 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 exclusion princip 2ugg8-ory wizn3pdueno9+w:)t5 g7 cle.
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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 letterss**dfs qa3crbhx5,c,+0m yoovu yr;. K, L, M, and N refer tdsa. 0s yyorh;cu ,fb qv*x5*m,+3orco

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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 oflg + iy:fj9f2k yb.,fd2dyvb2 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 there in thj rhdf( /233kz/+v+t w ekaffqe $5f$ 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 tabl(3fput:908uruex.jl j v) dst t:e8 ira4ysb: e that have completely filled shells or subshells are referre ft9:vxisjlrureu.) : 3sj (ad:t0 pt b8e4yu8d 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 wmi6vv* kni0k4eht)c 6hich lack one electron from a filled shell are referred66kkm4* ciihne v0v )t 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 electron are p89 k;p-fn;xrn up42 e0p .loievuuc cpcl375referred to o5p -kceip 49f2uu8c c.exlp;l np7u; 0pv3nr 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 ,qbn54:,jnfmb g1brdm g0 us*cronym 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 anq*f3e :o0rk5 ld1kc:v;kz qib object and a piece ofdfeiz rq; 01cvobkk 5kl: 3q*: 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 illuminated with a beam of coherent light, it produce t/tno jn8q5e1s

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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 sp29nbiw;q5s+ u/ e mxbvace of about 0.110 nm. If the electron mass is /u9 b2nswx;e5m+qb vi $9.11 \times 10^{-31} \; kg$, 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 2y poq,uh,8m a-jlg 11g000 m/s is known to an accuracy of jaq,8-1yl pg,ho 1 gum1 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 speed4 8jm7lyth cs)re :u i2.3qy5 1( nfab+cnsfcy 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 to witesccwbi,/v) *u y :u jk9si)/hedn9xt( lv+t: hin 0.100%. What is tkc9:)hvs*(/uit y) j9lx/tv+,edniucb: wse he 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 y 0 9n8cctjx6shas an uncertainty of about 0.500 eV. What is the uncertainty in the ncx08 cjs y69tlife-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 confw2bn 3(cxl gm5ined to a region of width 0.1 nm. What is an approximate expression for the least kinetic energy it w 3blm(nc5xg2 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 nuclpe/ezh-l3 /igpk/ k aimk;yq1-i.cw 3eus 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 thm8x ,:m comn4ye $6h$ 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 twuvs 9 ch0c5r3h8n5ldb +a., muj*izvcz n*+vhe $6h$ 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 .4b9 n zsr9 j46wracacthe $6h$ 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 inx d ux*ra 6+rdo5p-s8f7ct :lh 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 ha79 t 9g+r*tciln 4qb20pgowjlve?

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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 va uufh9;nk3f myt/h 9auy,*u+zk5b ai. lues 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 mo2tveye15t jt.cn) o9o ndie s,)n2: zany different quantum statv,nte e)j1n5o29c:.zst et oyn2i od)es?

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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 tw1 0)cqyj+qxqo9- sx pzo electrons in orbit. If one of the electrons has quantum numbxzj qp) +o1cs-x q9yq0ers ($n$, $l$, $m_l$, $m_s$) 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 intyoc a dfmbj+6u 0:,2myo 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 5vr9rj09b x7pf5yg vz pl51h) ujaop- 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 electronz9f di(+mu:yfy6sv k k-shlz 0:4t ac2 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 electron configurati;a e*arhg-yak 4(ljc .on 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 configmvg xvi.r 6i 5rh.(5hvuration 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 e0fm f,e;g z8+yxqyhu ,lectrons?

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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 u4e2i,ddhfnsw: giy re 0qka0d7.1dl,nknown metal. The strongest peak is found for X-rays with an en d4. e w:aisdd1dhrn0i ekq2g0,7 f,lyergy 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 p tdkugrz(n,4a ,/rx6f hoton emitted in an X-ray tube subject to 4,atnrgkuz df, 6xr/(50 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 highe,st4fb( dwq) pr energy level to a lower one. If the energy difference between the f)4,bt d(wqsptwo levels is 1.8 eV, what is the wavelength of the emitted photon?

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