如何理解光速不变的原理

2024-11-29 04:30:40
推荐回答(4个)
回答1:

比如,一个飞船以光速行驶,然后在飞船里打开一个手电筒。因为飞船里的时间慢到几乎静止,所以你不要想象那种按一下手电筒就出一个光束的场景,而是手电筒的光以比蜗牛还慢N倍的速度从手电筒里发出,之所以会这么慢,是因为时间太慢了的原因,从飞船里面看,它的速度依然是30万公里/秒。在飞船外面的参考系来看,飞船的速度是30万公里/秒,飞船里面的光的速度依旧是30万公里/秒。

回答2:

即光速与参考系的状态无关。 此结论来自于对不同恒星发出来的光的速度并没有改变,也就是与恒星的运动状态和距离无关,从而得出光速不变的原理。

回答3:

楼上解释比较理论化~简单的说就是:你向着光源的方向跑;还是和光源保持静止不动;还是和光以相同的方向跑,这时候的你测量的光速不因为你的跑的速度大小而使光速发生减小或者增大,都是C≈300000米·每秒

回答4:

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