Physics Unit29: Molecules and Solids

?作业考试练习?通用国际物理?Physics Unit29: Molecules and Solids

考生身份 | 我的作答记录 | 错题本 | 搜藏集 | 帮助

未使用图片

小贴士: 允许的图片文件格式为: gif, jpg, jpeg, png, webp，上传完成后会在上方生成预览，用鼠标连续双击缩略图，或拖动缩略图，该图片就被绑定至本题，显示在题目下方

本次作答已使用

小贴士: 此栏目显示的是当前作答使用的所有图片，绑定到某一题目的图片同时会显示在该题目下方; 删除使用的图片会将其转移到<未使用图片>类别

习题练习：Physics Unit29: Molecules and Solids

本习题练习来源于题库网 (https://tiku.one)，是在线习题练习的打印版，您也可以访问本平台网站(https://tiku.one/)直接在线完成(注册并登录账号后在首页左侧输入试卷号 124 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://tiku.one/test124.html
作者: admin 发布日期: 2023-05-01 13:57 总分: 27分得分: _____________

答题人: 匿名未登录开始时间: 23年05月01日 13:57 切换到: 整卷模式

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Covalent bonding is caused b b+vqg(n4eu7z 3ex0 gpv. nok)y

A. the sharing of electrons between atoms.

B. the transfer of electrons between atoms.

C. unequal charge distributions around neutral molecules.

D. atoms bonding to hydrogen molecules.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Ionic bonding is caused/ 3cx:8 xo0gkjgtn,hp-0a rti by

A. the sharing of electrons between atoms.

B. the transfer of electrons between atoms.

C. unequal charge distributions around neutral molecules.

D. atoms bonding to hydrogen molecules.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The bond energy for 6 wmobz6:r ea(ofk 1/ba hydrogen molecule is

A. $2.5 \; eV$

B. $3.5 \; eV$

C. $4.5 \; eV$

D. $5.5 \; eV$

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Van der Waals bonding isn)+ (tnfgy lj/ caused by

A. the sharing of electrons between atoms.

B. the transfer of electrons between atoms.

C. unequal charge distribution around neutral molecules.

D. atoms bonding to hydrogen molecules.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In general, which of the following ivqv*3;.i- /ucv6sk thw af3eds the strongest bond?

A. hydrogen bond

B. van der Waals bond

C. ionic bond

D. covalent bond

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In general, which of the following is the weakest bovdou16qpd w z. -;lswtk(ro1-nd?

A. hydrogen bond

B. van der Waals bond

C. ionic bond

D. covalent bond

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

本习题练习全部题目来源于题库网 (https://tiku.one)，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
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

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

For a diatomic quantum mechanical rotator, the energy difference between adja)7v ok;jzprx ljdj;g x9.uz:;cent en.x:)zr7 ;9d xzou lkjjpjv ;g;ergy levels

A. increases as L increases.

B. decreases as L increases.

C. is constant for all L.

D. varies randomly as L increases.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A diatomic quantum meltos q:3 n;7tqchanical rotator in the L = 1 quantum state has energy E. The same rotator i7nsq:o3 t;qtl n the L = 2 quantum state will have energy

A. 2E.

B. 3E.

C. 6E.

D. none of the given answers

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In its lowest quantum state, the energy of a diatomic harmonic osc+w2o3a y2i 0.phk ajeiillator is

A. (1/4)hf.

B. (1/2)hf.

C. hf.

D. (3/2)hf.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

10#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

For a diatomic quantum mechanical vibratf vb+cc9sc( b-or, the energy difference between adjacent quantum c+v9 b-c(cfb sstates

A. increases as v increases.

B. decreases as v increases.

C. is constant for all values of v.

D. varies randomly as v increases.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

11#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In its lowest quantum state, a diaxuqt (/ u7xp8wtomic quantum mechanical rotator has a rotatio(ux8p qtu 7/wxnal energy of

A. zero.

B. $h/2 \pi I$.

C. $h/\pi I$.

D. none of the given answers

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

12#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A diatomic quantum mechanical vibrator in 85 cbgakh)nk/ its ground state has energy E. This same kn )ha8gkb5/c vibrator in its third state has energy

A. E.

B. 3E.

C. 5E.

D. 7E.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

13#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Metallic bonding is cn3 dtwc krbh8 8mf/h.qr)./gwaused by

A. the sharing of electrons by all atoms.

B. the transfer of electrons between atoms.

C. unequal charge distributions around neutral molecules.

D. atoms bonding to hydrogen molecules.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

14#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a good conductor, the t-g,fsb l ::ci:rxmz3k4z aa. highest energy band containing electrons is

A. only partially filled.

B. completely filled.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

15#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a good insulator, the highest energy band containin,ou3t xx(( hmvg electrons, called the valence band, isx u(,(vmt oh3x

A. only partially filled.

B. completely filled.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

16#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

An n-type semiconductor is prod3+ym 8ds6plyqm7tgd0e8. mx suced by

A. doping the host crystal with donor impurities.

B. doping the host crystal with accepter impurities.

C. pure crystals of germanium.

D. none of the given answers

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

17#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A p-type semiconductor bq*kqd+6b qrep8rm.- is produced by

A. doping the host crystal with donor impurities.

B. doping the host crystal with accepter impurities.

C. pure crystals of germanium.

D. none of the given answers

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

18#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

In a p-type semiconductor, araz5y;- 8d)w d5jlu vx d-hkh; hole is

A. a donor atom.

B. an extra electron supplied by a donor atom.

C. a missing atom in the crystalline structure.

D. a region where an electron is missing.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

19#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

When a voltage is applied across a p-type semicondt2q lo12 tf8jr4ocj u+uctor, the holes

A. are destroyed.

B. move toward the positive electrode.

C. move toward the negative electrode.

D. do not move.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

20#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

If a battery is connected tokr+.wb tl l7b7w*.g++xq ueb j a diode with the positive terminal to the p side and the negative terminal to the n side, then diodebg++wqj.lxb *k +t b7uwler.7 is said to be

A. forward biased.

B. reversed biased.

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

21#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A simple junction transistor consists of 5 a oa;avmu9a)h x)3hcthree semiconductor sections consistingac5x3 u haaaoh )9;v)m of

A. pnp semiconductors.

B. npn semiconductors.

C. either pnp or npn semiconductors.

D. none of the given answers

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

22#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A diatomic quantum me5s s1 ijhonyzkx,*i/5 chanical 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?

A. $2.27 \times 10^{-5} \; eV$

B. $2.72 \times 10^{-5} \; eV$

C. $7.22 \times 10^{-5} \; eV$

D. $8.71 \times 10^{-5} \; eV$

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

23#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A diatomic molecule qp 7.v2olpv/ehas $2.6 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 1 quantum state?

A. $3.4 \times 10^{-6} \; eV$

B. $5.3 \times 10^{-6} \; eV$

C. $7.8 \times 10^{-6} \; eV$

D. $8.7 \times 10^{-6} \; eV$

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

24#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A diatomic molecule lthdz*9k66:ux u :2 g moc-rfthas $18 \times 10^{-5} \; eV$ of rotational energy in the L = 2 quantum state. What is the rotational energy in the L = 0 quantum state?

A. $9.0 \times 10^{-5} \; eV$

B. $6.0 \times 10^{-5} \; eV$

C. $3.0 \times 10^{-5} \; eV$

D. $0 \; eV$

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

25#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

Estimate the rotational energy (in eV) for a diatomic hydrogen molecule in tql8+w o* 6squd,gxe )che L = 2 quantuged oqsq6lw)u,+ 8* cxm state. (The equilibrium separation for the H2 molecule is 0.075 nm.)

A. $0.011 \; eV$

B. $0.022 \; eV$

C. $0.033 \; eV$

D. $0.044 \; eV$

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

26#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

A diatomic molecule is vibrating in the v = 1 quantum * tvz;h(rx yb-5k 93xnlmn76 bg*qlrcstate with a frequency of gc bhqtxb l* 7-x*3znm6k9rr;l(nv y5$2.0 \times 10^{13} \; Hz$. What is the energy of vibration?

A. $0.041 \; eV$

B. $0.083 \; eV$

C. $0.12 \; eV$

D. $0.17 \; eV$

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

标记此题

27#

单选题 ( 1.0 分) 切至整卷模式搜藏此题

The energy gap betweuyx,o , 7nqivfv1,pl2j. q1j /e1ody cen the valence and conduction bands in a certain semiconductor 7y,d.ev/1v l1iycnq j f1x, opoj2,quis 1.25 eV. What is the threshold wavelength for optical absorption in this substance?

A. $599 \; nm$

B. $959 \; nm$

C. $873 \; nm$

D. $995 \; nm$

绑定到本题的附件链接:
绑定到本题的上传图片:

参考答案:

进入本题讨论区，参与讨论

总分:27分及格:16.2分时间:不限时

未答题:

已答题:0

答错题:

当前第题，此次习题练习共有 27 道题

本系统支持习题练习，作业与考试三大模式，作业考试自动评分，成绩排序一键导出，可设定动态变量同一试卷千人千题
如果您对本系统感兴趣，想加入我们或者想进行任何形式的合作，请加微信 skysky1258

浏览记录|使用帮助|手机版|切到手机版|题库网 (https://tiku.one)

GMT+8, 2025-6-8 21:40 , Processed in 0.214667 second(s), 76 queries , Redis On.

返回顶部

账号		自动登录	找回密码
密码			立即注册