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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 caused 2w9 +9vk rg r( xui9mvsj1fs+qby

Correct Answer:    
Mark Problem
2#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Ionic bonding is caused vbhe3k:h* oz( .0ghqtby

Correct Answer:    
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Mark Problem
3#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  The bond energy for a hydrogen molelt)x rz a9ea-+cule is

Correct Answer:    
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教师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
Mark Problem
4#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Van der Waals bondin5 rh xcsan yi99/i1ai-g is caused by

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Mark Problem
5#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the follouf8j f +h4l1tjbih d7-h5y1 liwing is the strongest bond?

Correct Answer:    
Mark Problem
6#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In general, which of the followkz:vgc t u*0h.ing 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 mechanical rotator, the lidjydn : 4dp:2h(c:n8tik+ yenergy difference between adjacenty8:cn:d( +k4 phi ld:tdnjyi2 energy levels

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Mark Problem
8#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanical rotator in the L = b yoxr rcp8,c)ln.wl4i134c c1 quantum state has energy E. The same ri.)pcr4 xbw18lln cc,o 3r4cyotator in the L = 2 quantum state will have energy

Correct Answer:    
Mark Problem
9#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, the energy of a diatomic harmo6 xsgx tbz-*z4nic oscillator is

Correct Answer:    
Mark Problem
10#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  For a diatomic quantum mechanical vibrator, the energy diffw4g av3goghjrhdl97kz .sc2o2;5 x*rerence between adjacent quantum st . r2v2axh7zg 4;swc *3rgo5gk do9lhjates

Correct Answer:    
Mark Problem
11#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In its lowest quantum state, a diatomic quantum mechanical r)w/kiv m8mxfexgd6- +otator has a rotatioemx-x w8)+/mkvi6 gfdnal energy of

Correct Answer:    
Mark Problem
12#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanigl1a4 g coulb: afgvs1f :20a45+rn qmcal vibrator in its ground state has energy E. This same vibrator in its third state has en1gvo4:ca n1uf5flgl r0sgb+q2 : ama4ergy

Correct Answer:    
Mark Problem
13#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  Metallic bonding is caused by61 b5rbjza zx:1*xr az

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Mark Problem
14#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good conductor, the highest energy band containing electrons 6h xba1 8k+iebmg )vx 3+bj.yzis

Correct Answer:    
Mark Problem
15#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a good insulator, the highest energy band containing electrond lcz.wdy 2n(7s, called the valencz2(dn7 .clwyd e band, is

Correct Answer:    
Mark Problem
16#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  An n-type semiconductor ( cy3jqb/epb: is produced by

Correct Answer:    
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Mark Problem
17#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A p-type semiconductor is pro/row-m2r7qlwn 7 nf5ppy 5p9xduced by

Correct Answer:    
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教师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
Mark Problem
18#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  In a p-type semiconductor, a hx*jj edxp//h5ole is

Correct Answer:    
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教师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
Mark Problem
19#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  When a voltage is applinja6g 9przpq5 7- lj1;fsm 9dped across a p-type semiconductor, the holes

Correct Answer:    
Mark Problem
20#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  If a battery is connected s*ki-8s+v to 6yfsbx:4 s ki-bv-m9 ndto a diode with the positive terminal to the p side and the negative terminal to tv :i*b soi6 sk948 --ds-kxnvfbst+ym he 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 three semiconductor sections consistingck (vhfb,4g,7tor *s a ofcs gka v, b,or*f4(7ht

Correct Answer:    
Mark Problem
22#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic quantum mechanijxne:;zs2 c)sf 7u4rfcal oscillator has 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 ha5r. cpt-75dp-qvjums s $2.6 \times 10^{-5} \; eV$ 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 hi vp84y7nccff 9d g0f3lx-.ivas $18 \times 10^{-5} \; eV$ 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 diatomic hydrogen mo.p rzc *;(xhhflecule in the L = 2 quantum state. (The equilibrium separation fc frh hx(.p*z;or the H2 molecule is 0.075 nm.)

Correct Answer:    
Mark Problem
26#
 
Single-Choice ( 1.0 marks) Whole-Paper View Save Problem  
  A diatomic molecule is vibrating in the v = 1 quantum state with a frequen*euy:z jq.2hl(b -d vicy of (b2dyl *uzjqhei- . :v$2.0 \times 10^{13} \; Hz$. 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 conduction bands in a certain semicono*+ li5x-*aac m3iavr ductor is 1.25 eV. What is the threshold wavelength for optical absorption in this si-x+aarcim o a 3*vl*5ubstance?

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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