• 2021-04-14
    在一维无限深势阱中运动的质量为的粒子的能级为https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/8f6e26bf90af4c1fad5f7f0e08eb30c3.png
  • https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/0041d777d85c4b1ab3a20bfe582bcaf5.png
    本题目来自[网课答案]本页地址:https://www.wkda.cn/ask/eetmpeamaexoooo.html

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    内容

    • 0

      在定温边界条件下,稳态、无内热源、导热系数为<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/bf35cea9e03449f0b64673e21dbdde56.png" />、内外径分别为<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/3323de11627a4f51bc7b1fff540dcfef.png" />和<img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/675dd37c97db44a7a723838858eab505.png" />、长度为l的单层圆筒壁的导热热阻为()。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/892cb3300ea148d994377392a697acb0.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/7003425fa14a44d5aadbb9040240edca.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/040ff55c3a244877a0b06faf6042f47a.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/b5d2a5ed4d644ae6b2dab35d2ed8f3e5.png" />

    • 1

      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" />

    • 2

      下列              电路可以实现F=A的功能。https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/7ef13859bde449a9a208065d73f3752d.png

    • 3

      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" />

    • 4

      在正弦交流电路中,电感元件伏安关系的瞬时值为( )。 A: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/1b1013118b784d798d1d5a125205d0c5.png" /> B: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/e7f2221252704dcf9cfc32d1b4629b02.png" /> C: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/13affa3040de451981d21fa5f1000459.png" /> D: <img src="https://image.zhihuishu.com/zhs/onlineexam/ueditor/201909/953e302da4d5403e8444dd4f95ca0ac7.png" />