• 2022-07-26
    一个光子的能量为0.6 eV,则光子的动量为:
    A: 3.2[img=14x19]1803b02ffa2cbc3.png[/img][img=41x22]1803b03002f7e2d.png[/img]kg[img=5x8]1803b0300ac3650.png[/img]m/s
    B: 3.2[img=14x19]1803b03013caf62.png[/img][img=41x22]1803b0301bb9702.png[/img]kg[img=5x8]1803b03023dfb02.png[/img]m/s
    C: 3.2[img=14x19]1803b0302bc16ad.png[/img][img=41x22]1803b0303443bee.png[/img]kg[img=5x8]1803b0303d2055d.png[/img]m/s
    D: 3.2[img=14x19]1803b03044f6fdc.png[/img][img=41x22]1803b0304d3d6eb.png[/img]kg[img=5x8]1803b0305593c76.png[/img]m/s
  • 举一反三