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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 f nkdt8mj(8(ao,0/hqv fk0 ywis directly proportional 0tn/fqjov wyfa 08kk (dh8,(m 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 Uncertainty 8(dtx(km3dly onxvt1ev96-t 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 obor s2yf 7ho ;7vrgo35p vbo0-f a particle cannot be specified with infinite precision isy g svfhoprv32oo77 0o;5-rb b 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 particle increases, the accuraccdx4j0m fukse;u7n ,4y in measuring itssmxju7n; udckf4 0 4e, 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 *vblv 8z+s cd+of a particle increases, the accuracy in measu zs8b+vc+d lv*ring 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 valu7z.m8rrz,mmueea 8zvo jo9( 0e 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,/*5hcvq kdxw nteger 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 canpt,yb4cnrm 9 581kkit 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 lli 6qjb . 577xrlz6ncinteger 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 vatq7xmi ih 7;7,yj0opqlues 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 possible h( 3 ay 1y*r83licdefyquantum 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 ala9uu qh 6 k00tsdxg*gc77 fje0lowed magnetic 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 sol - u hnblm3t ffr:2w-lx*29gswutions 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 has solutiontx1g,y zv 6fh8s 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 quantum numbe; rtnej 0,rc)frs $n$, $l$, 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 numw: l(7lcf)p f0nfuzz0 bers ($n$, $l$, $m_l$, $m_s$) 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 phz78 c n ehzppo z6fft8g;76yh7oton is emitted or absorbed, transitions can only 8ofzg7zh7 hp 86 cepz6y;t 7fnoccur between 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 neutmz+wd+ug:6x b o4m 8ypral 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 prin k9;*t:elpx r6lqu* mlciple.
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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 configuratiofbtt.;+ci syx1zzoxc4p7 4 8yet4lh/n, the letters K, L, M, and N refer to4 1t84/7 o.+zxy x; 4f cpzbtlycihets

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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 o(qjwo/0vccoi9g7 c3i g,p y-af 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 /yl 5 azv9fme7h+q9 mce7zb,bthe $5f$ 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 mpyo;7x8r3yzj,3q abperiodic table that have completely filled shells or subshells are refer r ;,mazq x3bo37jyy8pred 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 vo n,i2p h3/jbh6rae9 a filled shell are ref h bijah ,o96p3vr2en/erred 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 electron44g8h * viwal.bvz-rwf,wjt6 are referred vb -8wfwwt4i lh6ar4* .v,jzgto 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 acronym f 9x- hulmlxy e-60y:ooor

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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 holoa0k+z x;hm ,ztgram, one needs, in addition to an object and a piece of photographichk zx0,m tz+;a 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 praz x)*j59zx +v(i3scmi,os ro oduces

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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 conflt/c64z/w ,ox 4hp97 ljlz2bb iqm1y eined to within a space of about 0.110 nm. If the electron mass is to/6c2j pl7 bwex h zy4i14zmq9l,l b/$9.11 \times 10^{-31} \; kg$, 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 :, 47ebml ujzi*myc gme;4m(cknown to an accuracy oc4 m7*:y clbz(jgu mem,;m 4ief 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 electf l p1kvdsa9om4 b. 9v5how)(zron'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 143 g and speed 45.0 m/s, with the speed known to wleqt :6w6c/fuithin 0.100%. Wh :fe6tluwq6 /cat 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 a n o,*.tsehz1pn uncertainty of about 0.500 eV. What is the uncertainty 1ez nt,sh. *poin 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 ox.5wskcr *6d)m :+ 6)fm3duidi aqhzn f width 0.1 nm. What is an approximate expression for the least kinetic enw*)d hsn.kirq:z6ad5m3cm+f6xi ud)ergy 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 typica+.8egw p4dop1amh n7rm0/fo al 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:-r,8x fwepbemx :g3l 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 in x,t;zkx4l7pv *4omqethe $6h$ 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 if0cgxs+/wu2hzg8)d g rem1r - n the $6h$ 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 t1yxz wg42 v l,jz4z6gthe $6h$ 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) wch axp.o/(q = 7. How many values 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*an0 mrg 4xid53:finq = 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, amu+ o6/s whv05wprji 6n electron with n = 7 can exist in how many different quantusjpivh56w6/wm 0 +ru om 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 electronsofbh,l2cbap6su+* a+ in orbit. If one of the electrh6*bb l+ +fuo,acsa2p ons 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 willa 4 26tl(9nb)ycbfex.j fd7lb 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 for a o 5m+ 2j0b.hs*euw*yhg- t aqr$4f$ 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 ooi uhyrj n,dn39r66m.qt,4bconfiguration $1s^22s^22p^63s^23p^2$. 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 electro9vcw+ m(xfx v6l/v3mj 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 electrow/z8f 7 c5dcwaq1scadl*q1 . tn 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 configurationhrypoef vx v5z : c4z3)b9s1-f for Li which 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 k yf95s/cmz 9 ds.j+aeto bombard an unknown metal. The strongest peak is found for X-rays with an energy of 66 keV. Wjdfyc59+ s esk/z9am.hat 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 8o*)jg.i hmo :0dwjbhhoton emitted in an X-ray tube subject to 50 kVjg 8bh:.miow od*)0jh?

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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 8.sf m3l9 i ,mak 8)xi;ejaiojlower one. If the energy difference bea93.lm) xo, imfkej i8;ij8 satween the two levels is 1.8 eV, what is the wavelength of the emitted photon?

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