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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 is directly proportiomd wunm 4)h-4enal to itduw4n-mm eh) 4s

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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 79k//n7s uff+qhwhiwPrinciple.
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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 specified with infinite precisi9f-r7j vh-os tlg k*9xon is tvh- k *g9o-7 fljxrt9she

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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 dbs;uj(ya9; 7jwm)qrg +loq,0fb /yx particle increases, the accuracy in measuring its velocity willx yr/b q wjs;m +,0b(ya luqg;d7)9foj

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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 inclgs9 d4lv 1 ip i6u9771pxtqybreases, the accuracy in meap1dyt6 si9i v9g1 xp4ullb q77suring 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 value o3gfj/32mj/fws 4uo f 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 ang ph+o2.,rt2aih: )/mr(ony p.vfog ky 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 p3uelrx;3gq9c/abd , 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 ranging fro6 c4*l hrg7gfzfbfv r6mzll-3,r 9 ,lnm

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The spin quantum numberovi* .d 6.8jvh6, jxod 8zqsin 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 folx:d 6 -(js8gdby qqnd2lowing 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 quhienu ;t +/9q 1djm:uzantum 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 hydrtdfeyyak;e 7+v3(z2h1n ff5p ogen 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 ifk +abj- 5 h0rifii1fi/oi,j4*rdmcu 0 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 quanv xcd gf*.p o1wq+c;i/tum 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 nu0v zopyyu35)km bgen*k :); sxmbers ($n$, $l$, $m_l$, $m_s$) 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, t3klf)wf5+ hotransitions can only occur between state with values of lt +wf3f k)5loh 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 calle/k9 0p z8l8 geuvw+kw zhyz f4fib601ed 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 exclusic z lofd/e7-bqwo**g) on principle.
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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 electronj ntedd: u/c38do-8wl configuration, the letters K, L, M, and N refer to-n uld: jtd8 8/cowe3d

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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 cva-pwiz/m swl8,m t,gy); /agan 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 setseou+ 0u-/;c(cjcc y7 .yzsm)koanj a 8 of 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 periodk33 fy h92oqg:gkgi,kic table that have completely filled shells or subshells are referred,233giykkqhgkf9og: 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 o7 p- g mf,f/1qr kzb)ebi3k 66ifdp8dvne electron from a filled shell are referrpi8kq6fe /1)7 gm,fi b6brzvfd-dk3p ed 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 whx a8 jrqusm+j1xv:b 6p/x8e 0jich have a single outer s electron are referaj8+ 1sj p 8b0/mvu6x qxxr:jered 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 anc / lcbi;9yf(q acronym 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 n+va*xb,fb 9 q/i3jdsd eeds, in addition to an object and a piece of photographicx*jv/3 sa+ di9db ,bfq 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 wituq* jtd a(7v;c.e-dt:;lo cji-x *) cau.kiysh 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 atom is confined to within a space of aboutt2k0e ubd6x/h ob12tj 0.110 nm. If the elecxuk oe 62t 0bbt/12jhdtron 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 known to an accuraom jug-y/ 9g 1,9pn8ht1 ,(exctexa qqcy of 1 paqp( 1ngo8xej y-h /ugxe, mat,9t9qc1rt 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 is zv 4g2tp6r k.s$2.0 \times 10^6 \; m/s$ 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/slmg tceidid,v, ew i*00m)5 5i, with the speed known to within 0.100%. What is the minimum uncertainty in the dwm0i*5 ig,i0, i5 demevtl) cposition 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 elesof w1vt;d.f8m a,cvk eo9.xm:c 5g+actron state has an uncertainty of about 0.500 eV. What is the.,.ectoac: +ff vdow k958am;svmg1 x uncertainty 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 confined to a region of width 0.1 nm. What is anr lwy2m 3h:v bv -p207ibk.esz approximate expression for theby2-l0p .h7z wv:imbrv k23s e 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 nucleus n8h-p)qq-s l05 5iavk0cwyv ais 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 ifda) ole0 7ik2gfi cr n7w2u5qh, q(0dn the $6h$ 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 +j m d/nss0oi4;ncla :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 ic*y0x tk7dslt217 xkpg zb3t,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 thn4p ydd-1 np0he $6h$ 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 e/iwfvqmtm 2(dyo7-o8 lectron 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 elect :fjced,+a ip-ron 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 wiv:)+ ur y,naketh n = 7 can exist in how many different quantum stau: v),kern+ya tes?

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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 electro o1xjbf-8nia uo)-e 3ymf. /rqns in orbit. If one of the electrons has quantum . q o8nj-)ia1 mrxyoe-b3fuf/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 into w/lg a/ot3g, x.r,god r3t.um6z )dgi 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 ;94djy3r,/ku- q/k xxpv h jrtl 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 electron configura-bx awixz0s8s.q jkz;:p c(n .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 electr*;mbw vk6 e5gson 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 nb qwpd(:p.l0 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 configuration rtyz;n4+3hsd 5 u.ah gfor 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 to bombard an unknow 2/ ukpq-d2peiv ,vaw:n metal. The strongest peak is found for X-rays with an energy q-a,wevdv:ip 2k2/up 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 in an Xmnc -msl7(:wa-ray tube subject to 50 :(nsc7a-l wmmkV?

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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)dd ,ufjm59.y2 qmg um level to a lower one. If the energy difference between the two levels is 1.8 eV, what is the wavelength of the emjqu 2du5mmf, md)g. 9yitted photon?

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