应当满足布洛赫定理，若晶格常量为a，电子波函数为
,f为某一确定函数，试求电子在这些状态的波矢.A: π/2a
B: π/a
C: -π/a
D: -π/2a
举一反三
- 线性谐振子的第一激发态的波函数为<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/aab7a58985f443ed91a9f4036d4b56dd.png" />,其位置几率分布最大处为 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/44c963c6379540a099bfd79da6501b42.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/dff9139c15174797b8b68ef230d1ee90.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/ad088197932f430db9416ebf9d5b47fa.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/17949074010c4d44ad48b416055aaa86.png" />
- 下列函数在定义域上为单调增函数的是（ ） A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/211e70b83e274d979fe0f82e370dde04.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/592975f906cc4dcc93af5cf8efb72a6c.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/5af23319fbba416db4948cf10778b93c.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/429b274252eb4b1dbd6dfeb4e8513b9b.png" />
- 下列哪些函数是调和函数？( ) A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/30a8b864644b4f27953e4f399dc4d71c.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/96069e2a68cd483195966ca8c29148cf.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/4182d5dc35bd4c61a1d6d7770aeb455f.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/a862359c882e445498961560101f6776.png" />
- 下面描述一维束缚态的波函数有 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/0dc6a51659af4ff6801d10031dad12e8.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/3ab84b1e7024465d9e701a5ea032b8ee.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/f11031c46e9649d2a247f6129ff6cfc1.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/e42414836bd1409f8eece2f05f8ece36.png" />
- 如图所示电路的逻辑表达式F=（ ）。<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/8655693a417e4e43a32e0732ed533c96.png" /> A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/beda73211aea49f082d9137fd4eb0526.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/7388c99ee0824f20bcf85893934a2f6a.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/9a5c81e78b344c79a9389e932a7f55ce.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/82193a9a030243728012b02e15718987.png" />
内容
- 0
在多电子原子中，具有下列各组量子数的电子中能量最高的是（ ） A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/cbe816173dce443198f2fc05a1431b71.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/26975a0bed514d82b261189249926e6a.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/96fd22cf5fd446ef9aae9b225aa7971f.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/780a9bc591144994887b5d03fe17b912.png" />
- 1
体系处于<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/7bae90aad0f0442d9d6adf4ff4c69c2c.png" />状态,则体系的动量取值为 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/156065cb1de5431a9a2ea0b029f26f79.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/627120343f054317828addfe01200e5b.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/09f88938fc6f43a0819284117c0b14fa.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/2311487532fb45c789f7dce939291db1.png" />
- 2
下列函数中，是最小项表达式形式的是:（ ）。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/34e21d54f83e44bf87fa52c84ad2def7.png"> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/0a2d63f5d74e4c8e9dae1d6f59d7e5cb.png"> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/d0e6740d7fb74cc4b0ba08aa2ee3ff6c.png"> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/6cd1ba0e55434c8380db3b3478d99f04.png">
- 3
以下哪个（些）算符一定为厄米算符 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/2f5ca50e517a4dee9c70e7680c968566.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/cc1685bf62da473b9d04e5d624dadb6e.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/6ad8cf39a6e04652b38899df7ff47e62.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/be241a76c49a4f66b4c28e4b6d1439e1.png" />
- 4
对应于如下的系统函数的系统中，属于稳定的系统对应的系统函数是（）。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/1446593a19074dae89c34cdcdcc3832d.gif" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/9687d5b9b75b4955ac0027341fda49d9.gif" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/14d761531a5b4ecaaf995dda1fba9468.gif" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/f99ed340aaef4e95998a081dc690d3eb.gif" />