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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 atoms f4ua5gma-sqj: cp6gz + /8iw is directly proportiona juqpg/+f aa4z8s :s6wg5m-icl 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 Unceky 5 wgn/tpy3*.:dc r 8,mhheqrtainty 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 a particle cannot be spnpi -cf3v gc3 yaz.41eecified with infinite precision is thef- a cv 1icpz4.eny3g3

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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 part3;,b g;og woaficle increases, the accuracy in meaogo;w 3, fgb;asuring its 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, tkhhuc 2f3d; j+he accuracy in measurindk;f3jhch +2 ug 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"q xc ;f6ka31an 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 )znh of*k(5m (q5 lgcrany 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 ranging fro rxul(0n- d.bwm

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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 ranging frwd18jz t p/r)crh 46ycom

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The spin quantum numbe p9v q2 l,fdb.yf42fjpr 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 febf,;ug8f9nd6 s ywk. u ws84xollowing 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 followydl apv. u)0:,uduy(ting 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 hydro6 p;c;-zi ;pgr rut:vsgen has solutions 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 solutions only if the three quantum numbers tta x-dhsw.m ;mz 39l;h x1-ss$n$, $l$, 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 iv64 4vhd u:p0yo+bmicf 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 qual-7 xhl y5zwj/ntum 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, zh7mtskg8 ymey8 cl) 6l 5w68vwhen a photon is emitted or absorbed, transitions can only occur between state with va6s56 m 88wlcg kt ly7zmvyh8e)lues 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 callez 6.be9m: euccd 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;;algsd46pm8g i1pd8ucdsqdy 4 nh2(ciple.
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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 lettk.a t slju*icmk67: q7ers K, L, M, and N refer touk7*7i6j k .tmacl: sq

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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 canil:43o w2i ef u;zgdr-e8rm1 c 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 8.mc p fq0qk dc+go8o2/gwc*o (d1fgmthere 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 filley m :i1fz.0npvd shells or subshells are referrefpn 1im:y0vz.d 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 a 0tz71bp wf2m zsu 9)atfilled shell are9fwzmutta071 sbz)p 2 referred 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 pe d (ffqq t(:ezcbyv6m9w3o6rz7v e0e 9riodic table which have a single outer s electron are referred( 6d9(z7vbw3q vf me zqe90fryco t6:e to 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 igwvi m8s4 ;hs2kdu23wuf62 macronym 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 object and7-p7 cnj. ntll a piece of pclnj l 7p7t-n.hotographic 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 so)yeq(w 8 mcp d/z;.xa 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 atom is confined to within(13oir4f yfp/ ) )y nasp;gewo a space of about 0.110 nm. If the electron mass is /w s4p1 3ff)opgiryeany) o (;$9.11 \times 10^{-31} \; kg$, 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 cy yyuzb u3ac(i* 1,;lelectron traveling 2000 m/s is known to an accuracy of 1 part in cuy1 ( ,cyuziy3b ;l*a$10^5$ (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 elecbip.ghd.4uvc;x 6 l u0p 05 qx,auj:tntron'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 45msp(nkzb (v*9a / g9cz2bj4 rr.0 m/s, with the speed known to within 0.1crzb2 mp4k*jbg(99v(rsna z/ 00%. 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 about 0.500 emch-3vmxw8kxl, j, s 6V. What is the uncertainty ,-w vc6ks3,mxhm 8ljxin 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 of width 0.1 n: ;ssb i4l:u9emjc-an 64d gz4sddu5zm. What is an approximate expression fo u-5d;mzd9 nb ds4:: jecu464sl gsazir the least 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 xav:j;rvc; +m;v snz emi94a8nucleus 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 tyup3epx,*d9tyg3 m s1 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 tf dcs8o09 gk4bhe $6h$ 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 tvz.wwi ,bft :)he $6h$ 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 th+laik g-m p-(1wkteu /e $6h$ 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 x)tkf6d/. k( mztjc;swx3r h0 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 = 7. How many values cm .(6z,f,f2s6e .d nzimk ffgzan $m_l$ 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 dg;8d0as,dv7tpa u p3n)jk;p in how many different quantum spnju0;p;s3 7avgat kdd8d ),ptates?

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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 one of the )f7(z oelimrbk7u13+j p n *xj4w pu0eelectrons has quantum nep7p4+3r0n7ub fmj1x(z i ujl e )ko*wumbers ($n$, $l$, $m_l$, $m_s$) 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 willmb, 5nini9yl86q ved; 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 ay5 x2-bx.r1n. pzltj r $4f$ 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 configura/wc 05amsl)kl +w2.5kifi pg hz:zgi*tion $1s^22s^22p^63s^23p^2$. 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 con+mude;f6+d9jua3 j.joa/ajqo4s-: n ,ib mwpfiguration 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 co;o r jn)ux+ln- p2f)fbnfiguration 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 wh;2 i*f)l nxb 8hhqromt7m4,iqea :-oxich 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 bombarb:1 nim+yft b )0idmq*fhwy*:d an unknown metal. The strongest peak is found for X-rays with an energy of 66 keV. What is the atomic numberif0q m*ifb:nm+tyh1bw: )*dy 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 in an X-ray tube sub7( 8xee,ozoduj9y;innp1e m2 ject to 50 kp n 718 myde9ox(2,enzijue;oV?

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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 energr8 f e:ru-oa8dy level to a lower one. If the energy difference between the two levelo-: ra8rfu 8des is 1.8 eV, what is the wavelength of the emitted photon?

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