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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 findinpla,n 6rd* .qug an electron in a hydrogen atom is directly proportionard p,q n*6u.lal 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 Phtcddu gq,48c; 1c9ff rinciple.
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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 cannot bz8opbv en+x i- ,19o sa0dyla8e specified with infinite precision ao+89,y-oasvnz idxbel1 08p is 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, theowctd/gj) f ;(0 vh;fgqo7:ej accuracy in measuring itg jf;ohcq e0;7:wjf (vtgo)/ds 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 increases, the acccs9 x)jb:obrdd c5qu7jr7 5u( uracy in measuring its position will5d5c7dujcqbro:7u b) jx r9s(

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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" h9k-o)vd2,j biuf /tdz as 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 integerj-2xe f+/tl wr 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 any3b)- n3qp3hm3ybf1akf3ic t c 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 nuz;0d jgxjw(2pmber 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 valu/d -,0jn9m /j0vuti7s inf suves 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 ioldenme2f+3 9xv:i- 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 m4o-y) e zhjw3lpi.k*of the following is not an allowed 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 solutions only if thrcowt4wn;n+ o; 5dkb2e 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 three quan-fqu16+xj q33a-ll j , xkyigatum 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 qfb z0gv1wm9g, uantum 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,2kc9bvt wp7n ; the quantum 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 emitted or absorbed,c5u h2u k;eyjvcwxuid3er 860 t5wo1 * transitions can only occur between state with v2cx u3htvuiee8 yuwk5dc0 51o;6* w rjalues 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 ad o.3vjc2ifs g e2n.f)tom 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.x2.*e+i4e cat j nugq,
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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, tbbq44 fx61d5tulabcm-/ vy )nhe letters K, L, M, and N refer t14 4l6mb-b x)ca /ybtdn q5vfuo

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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 that can i9-qwlo9c c2px hlp.. 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 ofqlnd2b6nar71z u /m: m quantum numbers or electron states are 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 agokq)-tvok1) a70 cscompletely filled shells or subshells-qos ))1vaka0 tokg7 c are referred 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 whib/, fi5dpi l(och lack one electron from a filled shell are referred to lifo(bd5pi /, 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 electrgje9i) oe 9,9q-dm ideon are referred to e)9ej gd qdi,9-eo9mias

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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 apextdfme ik-xs291;+6j nl o0cronym 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 an kpl(qv2/bj , (tfqrf 72xsg* bobject and a piece of photographic rx2b2 kf pqsbg7tv(*q/f(,j lfilm,

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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, ix mi8d 3)t3bsmt 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 confined to within a space of about 0.110 m;zwoms( q off0lj86 4nm. If the electron mas048; ooqff(j zmw6mlss 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 known to an acjy-ozma213zvb sp3 1scuracy sj1y3poa- 12vm z bs3zof 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 speed in6k x+.ym+ho-o-ayx rjm k55es $2.0 \times 10^6 \; m/s$ 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 an2plcga0/8 4 lbq+ i/tiatf4 nfd speed 45.0 m/s, with the speed known to within 0.100%. What is the min +/ib0l 4gti4cf/ qtapnl 82afimum 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 about 0.500 eV 1ww..mco -chpivnn0 -/. tdpx. What is the uncertainty in the life-time of the /.w01o-cid x pw .vtp.-ncmhnlevel?

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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 n nn2hrd1j w58confined to a region of width 0.1 nm. What is an approximate expression for the ld hn 8r15w2jnneast kinetic 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 typical nucleus is abfmv m)xie;3.3 /jr3ia g1 kavuout $5.0 \times 10^{-15} \; m$. 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 tho:g/lo4bk k/a v8xt.4x1e vhp e $6h$ 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 th7t3kiwtlip0hmo 40 k94v(jal +glf)be $6h$ 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 thl2,7/a pxdyp/i, w3f 10p kvlx l.cmnqe $6h$ 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 i7w)( :clgzl ltrz(( qsn 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 el b98i- oiaw+r6ma xb5rectron has n = 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 = m+nhu 6q)7qpzhyq)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 els99,z,(z ck e-xwgae tectron with n = 7 can exist in how many different quantux9 ea 9w- c(sg,e,zkztm 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 electrons in orbit. If o7 ylw3b(cet 0one of the electrotl0coe 3bw( y7ns 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 will fit isyg3z bygomn((f(133(q ihvcnto 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(k9 ri(xrroq*d ;; nuh for 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 electronk-bla pos(85 k73mo rn 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 elecv 26lmkf1lr(k82 f(+bi8hpg 0njcta r ol6(g stron 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 e)ilv2 hd h/qv76s .jn.xfmog j+h)0yconfiguration 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 which6*t1lvh qoxt * 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 ;pfv83 njsu*wbombard an unknown metal. The strongest peak is found for X-rays with an energy of 66 keV. Whatjs8vf ;w*upn 3 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 emit 11jentey1k9pm k8; pyted in an X-ray tube subject to ek11y8tpmn1k ;p je9y50 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 loweos lv7 k- nys.fmh*)x(r one. If the energy difference between the two levels is 1.8 eV, what is-7 .vsx)o*(ml yhknf s the wavelength of the emitted photon?

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