• 2022-05-31
    用频率为[img=16x17]1803a12620ee236.png[/img]单色光照射某种金属时,测得饱和电流为[img=15x22]1803a1262950ec4.png[/img],以频率为[img=16x17]1803a12631e8a4c.png[/img]的单色光照射该金属时,测得饱和电流为II[img=15x22]1803a1263acb6c1.png[/img],若[img=53x22]1803a126432be58.png[/img],则
    A: [img=55x19]1803a1264b42afd.png[/img]
    B: [img=55x19]1803a126541d3d9.png[/img]
    C: [img=55x17]1803a1265ca3fa6.png[/img]
    D: [img=16x17]1803a12664868d3.png[/img]与 [img=16x17]1803a1266d79b8b.png[/img]的关系还不能确定;
  • 举一反三