一维周期场中电子的波函数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
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" />