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PRACTICE：Physics Unit29: Molecules and Solids
本Practice来源于https://webassign.org，是在线Practice的打印版，您也可以访问本平台网站(https://webassign.org/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 328 即可在线作答)，，作答电子化后可随时回放，查看每题答案与详细解析，搜藏保存任意题目；教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。本试卷的直接作答链接 https://webassign.org/test328.html
 Author: physics  Publish Date: 2023-05-01 14:26    Total Marks: 27 mks  Marks Awarded: _____________

User Name: No Login  Start Time: 23年05月01日 13:55  Switch to Whole-Paper Mode

Mark Problem
1#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Covalent bonding is cauweqkjxksfv s:7)+r l14 ;skvdiu,5(-gbdl- ksed by

Correct Answer:    
Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is caused by7 jdd.6-jnqbr

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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a7l 3ya*dv xpxy fso/5/ hydrogen molecule is

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Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bonding is 5)aq hlvn:o9yiplske rk7u*s-dpu , 1;60bjicaused by

Correct Answer:    
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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the following is the strongest8*tm+ wo,x0/gs8ispxw sd3m e bond?

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Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the follow wetm,s (i sk(y01uir2ing is the weakest bond?

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Mark Problem
7#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum m-k,hso rmp,n + *f :9t rfcvzlt.c.teuv4be /6echanical rotator, the energy difference between adjacent energy levele,*/rz .4sl+htt-bv9ve, u :.rock6mtpfcfn s

Correct Answer:    
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Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical rotator in the Lmgw2l; q7 +mjx = 1 quantum state has energy E. The same rotator 7 wx;mgq2lmj+in the L = 2 quantum state will have energy

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Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, the energy 3ax7vfy/) 8jv is rinwq)ucl85/x8y n of a diatomic harmonic oscillator is

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Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantx s;c51k:(/mxwzmf fwum mechanical vibrator, the energy difference between adjacent quantuxm;/ f1w 5zf(wx cksm:m states

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Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, a diatomic quankx9z2z4g33jw l u sdo)er8f* htum mechanical rotator has a rotational energy oles3 du4zf3k w89g2)ozjrxh* f

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Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical vibrator in i-x1.qhm k7; .trk dzhfts ground state has energy E. This same vibrator in its third st .kk;-m. 1xqtfhh7zdr ate has energy

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Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is cau hl/3p) ,(slusaz1 s)c5 wosj4 pgsub7sed by

Correct Answer:    
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Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good conductor, thnq:j k5a.blk21 p2w 7th.mysz e highest energy band containing electrons is

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Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good insulator, the highest energy band containing electronsg01x ce knn+i4n5 :fmv, called the valnm4+ g0i1c:f 5ve xknnence band, is

Correct Answer:    
Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductor is prodwbf4g6(e0 p/wve9 kpj uced by

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Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductpy hag1g60b 2pwa 3)0zi pzyz6or is produced by

Correct Answer:    
Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductor, a holmc9*(ujfz;w/ y f k;gp,,ngecf u3dh.e is

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Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a voltage is applied across a p-type semiconductor, th d t4sr )5jozntb5e+3j5 mk9ere holes

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Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If a battery is connected to a diode with the positive terminal toz14 huooj *qm0 2jp xd+;yn.j)hpqz; w the p side and the negative termina h.p+x)dpzq m4j0zj qo2ywjoh1;* u;nl to the n side, then diode is said to be

Correct Answer:    
Mark Problem
21#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A simple junction transistor consists of thr;cl0gvx3itp8jxv fhp (:m px o5d5+w1 ee semiconductor sections consisting of0d3;pxct:( 5g i x mf85pjohv+lxpv1w

Correct Answer:    
本Practice全部题目来源于https://webassign.org，学生可自助刷题练习，扫右侧二维码加微信，获取学习资料，答疑辅导
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Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical oscillator has+i75 g;x 1lw mgnv(bq:j1hbjy a moment of inertia of $7.73 \times 10^{-45} \; kg \cdot m^{2}$. What is the rotational energy in the quantum state characterized by L = 2?

Correct Answer:    
Mark Problem
23#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic molecule has h, xktg*/ v8hei27r ik$2.6 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 1 quantum state?

Correct Answer:    
Mark Problem
24#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic molecule h7*subc( didnt.:u 7 4-apkaud as $18 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 0 quantum state?

Correct Answer:    
Mark Problem
25#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Estimate the rotational energy (in eV) for a s8/c8)n;o ndkzqe n5mdiatomic hydrogen molecule in the L = 2 qua/)nm;kqd c8 ezn85onsntum state. (The equilibrium separation for the H2 molecule is 0.075 nm.)

Correct Answer:    
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Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic molecule is vibrating in the v = 1 quantum state withc*d av1kk; du)a q4 z0r4q1h;qmvh.gh a frequency of ag hmva kd.4kqcv1 ;qud0 ;)hh*q14rz $2.0 \times 10^{13} \; Hz$. What is the energy of vibration?

Correct Answer:    
Mark Problem
27#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The energy gap between the valence and condugodlr. ;u k+u/f.k71hz7rmcw/ z0a sjction bands in a certain semiconductor is 1.25 eV. What is the thre1zo77 ls;/c0mu zrk.r hu.gdjk/ +fw ashold wavelength for optical absorption in this substance?

Correct Answer:    
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    Total:27 mks Pass:16.2 mks Duration:Unlimited
    未答题: 已答题:0 答错题:
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