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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 finding an electron in a hydhi0ey75ok j m+rogen atom is directly proportional tj 7k50hmoi+ye o 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 Unc**etf1im rv f79vg 3tjertainty 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 anaouqvj9cls67e t ox(ih;2*k o ::vu; particle cannot be specified with infinite precision is t*:nx7 6uhi:sl oe9;ot uacvj; q(k o2vhe

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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 measurinv*,w ahe/x ibauj5-o+b2+(mvjf 1e h ng the position of a particle increases, the accuracy in measuring its velocix2beaeh u+ vni +j(ofh*v/a j51wb,m-ty 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 pamo nk- i9q4p(uqq3baf1dyg .5 rticle increases, the accuracy in measuring itsug( dqn-yfo4pia3mq q.kb591 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 kf1z/2 lhw:kd 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 integz 0 a z,hmg,hgb(1.oruer 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 aq6 8q p/-p ajm;bx nk-0ug2aubny 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 integer vjufm7*md h(h)in)zhq / ns0w*alue 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 v+3 6t r/tpixjsalues 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 qqa/t4s bgg*kdir 1yga6 13a ;nuantum 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 g 2z0)iossayy,0lvh5 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 ha.vt q9dh hv4j;u/m39asu9cdq s 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 g(fuxw/*m n q0 e*ae3gif 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 ic3p6:j 7mi osy:m:kmve;n ,n if 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 q y4/7co+g. )y.32dy; rtyl au gniqrdxuantum 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 acwh zjebz6;xp m ; wlvas dg2-29-9lt,bsorbed, transitions can only occur 96h- ;a,-z9sztc;lv2wwp2j edgmlxbbetween 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 neutral atom is call fa+zm/rczr + .sz73gwed 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 exclacdwv8v 1.r::8g bemq usion 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 electron configuration, the letters K, L, M, and N referz7k/xcrs*u3 preh. b: /x mf h08-r9ou:ybr gs t3/zxh r 0:.ykcrbg u pxr87*:fsre9m /ho-bsuo

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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 iyrx34a;(+hl x b lb3othat 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 in8sta g;uar /s23lh4sg 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 havew9 ,w8kjdi+ kok4 l7rl completely filled shells or subshells are refw7i kr+ 4d8w9,ljlokk erred 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 i-wir 8h w1,my+u5nm zwhich lack one electron from a filled shell are referreiu1,5-nzrmmwyw +i8h d 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 tn*43e 5p+ggssba -e htable which have a single outer s electron are referregp-4ts s3 ghe+*5b eand 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 acronym fo:l.y33c ifs 9hap plk5r

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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 hologra6 b3e(lmfoz-7 4xj4. szbhonim, one needs, in addition to an object and a piece of photographic filmmo -efls.(6n j zh 4b4i7z3xbo,

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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 cohejtdlswomrrnz 0.7o.(y n1(q4:y0c g mrent 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 witr n6m(6m:a9jlrow b0b04u d zthin a space of about 0.110 nm. If the eled:b4z(ajrb960 to r nml06wmuctron 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 knogxx77+/ossq*hek 4p 3z ge3 qcwn to an accuracy ofq*e 4skqc7geog7h 3sz / xp+3x 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 spi 2-shf:wmi*h eed 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 speq:h8sc 6 8 oxk(mldzu0ed known to within 0.100%. What is the dkq(08uxz8sochl m:6 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 eV. What 9/8oeb6mw)7yu +qq oyafdx(sv ,f4 cqhml4(p is the uncertainty 6o( oyy,/474s pumbq fcm)qvef9dw( lxhaq8+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 confidpoy*bj 5l9 0, )1pdhin8ksk jned to a region of width 0.1 nm. What is an approx9 jkh i8psndbp5j*1,do k)l0 yimate expression for 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 nucleus is ae0g+soskh; 01a x, aidbout $5.0 \times 10^{-15} \; m$. 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 the cx:iw; jig 06ta2xyv-$6h$ 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 th5hjw-lj :qw-qe $6h$ 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 i1 d5gtnsq,rg3l g5f(zn 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 the -q6 +olq wg8ys$6h$ 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 if(celj4(lgflwon+t,d; d, 1ectron 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 = 7. How many value j:2:3uvs a8tv x5v,som bha;rs 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; ,qhj;+ jlyfda+vn 7p with n = 7 can exist in how many different quantum states?d+nylhf ;;q7j pjv, +a

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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 esb xc5ci5 5/epcweo3i)t-ex 7lectrons in orbit. If one of the electrons has quantum numbers (p5i ibc5 coe)xe w735xce ts/-$n$, $l$, $m_l$, $m_s$) 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 +udn ja i:ghuhpux4,6 126rzrr u,z5t 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 2rt 7jkousilcte 7r u(+/x/*-5y kfyt 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 config6xpx:)8 w steqgm9r 6duration $1s^22s^22p^63s^23p^2$. 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 configuration )ktg vpu/ c4/kof $1s^22s^22p^63s^23p^2$. 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 i2eb z;h q(dgclf.e,9configuration 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 Lz, x s4 2(uk4iwho*kbpi 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 unknown metal. The strongest lw rrv/fj0o2*peak is found for X-rays with an ev rrjo/0f2 wl*nergy 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 emitt hypw:+q)bd gke hfdy0h9*+ x7ed in an X-ray tube subject to y0 fqdgh:hw +9yeb7k )+hp*dx50 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 levg*fcz+kp cp). el to a lower one. If the energy difference between the t cz* kp.pgfc)+wo levels is 1.8 eV, what is the wavelength of the emitted photon?

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