要使处于基态的氢原子受激发后能发射赖曼系的最长波长的谱线,至少应向基态氢原子提供的能量是
A: [img=53x18]1803ac2a0ab08d2.jpg[/img]
B: [img=46x17]1803ac2a130a2f4.jpg[/img]
C: [img=47x20]1803ac2a1bdd297.jpg[/img]
D: [img=54x17]1803ac2a2544d6e.jpg[/img]
A: [img=53x18]1803ac2a0ab08d2.jpg[/img]
B: [img=46x17]1803ac2a130a2f4.jpg[/img]
C: [img=47x20]1803ac2a1bdd297.jpg[/img]
D: [img=54x17]1803ac2a2544d6e.jpg[/img]
举一反三
- 要使处于基态的氢原子受激发后能发射赖曼系的最长波长的谱线,至少应向基态氢原子提供的能量是 A: [img=53x18]1803adf31fbddf6.jpg[/img] B: [img=46x17]1803adf328b95f5.jpg[/img] C: [img=47x20]1803adf3322bf98.jpg[/img] D: [img=54x17]1803adf33abfbbb.jpg[/img]
- 要使处于基态的氢原子受激发后能发射赖曼系的最长波长的谱线,至少应向基态氢原子提供的能量是 A: [img=53x18]1803b040787d68a.jpg[/img] B: [img=46x17]1803b04080f1ad7.jpg[/img] C: [img=47x20]1803b040894d53b.jpg[/img] D: [img=54x17]1803b0409234776.jpg[/img]
- 要使处于基态的氢原子受激发后能发射赖曼系的最长波长的谱线,至少应向基态氢原子提供的能量是
- 1.设随机变量X的密度为[img=186x61]18034ea953ec9dd.png[/img]则常数A=________,概率[img=146x25]18034ea95d30d08.png[/img]__________. A: A=2,P(X>1|X<2)=[img=39x24]18034ea9659b618.png[/img] B: A=-2,P(X>1|X<2)=[img=39x24]18034ea9659b618.png[/img] C: A=2,P(X>1|X<2)=[img=47x44]18034ea9768a8c2.png[/img] D: A=-2,P(X>1|X<2)=[img=47x44]18034ea9768a8c2.png[/img]
- 要使处于基态的氢原子受激发后能发射赖曼系(由激发态跃迁到基态发射的各谱线组成的谱线系)的最长波长的谱线,至少应向基态氢原子提供的能量是( )。 A: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/e1e9ef1d2bf84de38859596b6e8e02dd.png" /> B: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/2cef31d6c1d54357aefc254f66268c82.png" /> C: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/55f8bae20cda4d94a7b98995a25337ac.png" /> D: <img src="http://image.zhihuishu.com/zhs/onlineexam/ueditor/201806/f19c34afcda3415a977d4975adf3723f.png" />