• 2022-07-02
    若用衍射光栅准确测定一单色可见光的波长,在下列各种光栅常数的光栅中选用哪一种最好?
    A: [img=112x24]1802d0b6dabc65b.png[/img]
    B: [img=112x24]1802d0b6e388caf.png[/img]
    C: [img=112x24]1802d0b6eb9d750.png[/img]
    D: [img=112x24]1802d0b6f44708b.png[/img]