• 2022-07-27
    若[img=12x14]1803a12acd281c8.png[/img]粒子(电量为2e)在磁感应强度为B均匀磁场中沿半径为R的圆形轨道运动,则[img=12x14]1803a12acd281c8.png[/img]粒子的德布罗意波长是:
    A: [img=45x44]1803a12add45dd3.png[/img]
    B: [img=36x44]1803a12ae680dee.png[/img]
    C: [img=56x43]1803a12aef25c73.png[/img]
    D: [img=47x43]1803a12af84b84c.png[/img]