• 2022-06-15
    已知某单色光照射到一金属表面产生了光电效应,若此金属的逸出电势是U0(使电子从金属逸出需作功eU0),则此单色光的波长[img=27x24]1802e301f61af97.png[/img]必须满足:
    A: [img=63x41]1802e301ff83f5a.jpg[/img]
    B: [img=59x46]1802e3020bfa4ea.jpg[/img]
    C: [img=57x45]1802e302141f775.jpg[/img]
    D: [img=61x43]1802e3022186857.jpg[/img]
  • 举一反三