• 2022-06-08
    一个光子的能量为0.6 eV,则光子的动量为:
    A: 3.2[img=14x19]1803ac192c570d6.png[/img][img=41x22]1803ac1935c64c5.png[/img]kg[img=5x8]1803ac193dbd06a.png[/img]m/s
    B: 3.2[img=14x19]1803ac19468e128.png[/img][img=41x22]1803ac194f23201.png[/img]kg[img=5x8]1803ac1958271f4.png[/img]m/s
    C: 3.2[img=14x19]1803ac1960b1bc0.png[/img][img=41x22]1803ac196a4667f.png[/img]kg[img=5x8]1803ac1977f62cf.png[/img]m/s
    D: 3.2[img=14x19]1803ac19801bb59.png[/img][img=41x22]1803ac19880e088.png[/img]kg[img=5x8]1803ac19902f404.png[/img]m/s
  • 举一反三