Look at this graph, you can see that the number of photoelectrons emitted increases as the intensity of the incident light increases.

张图，你可以到，随着入射光强度的增加，发射的光数量也在增加。

When these photons strike the surface, they knock electrons off it; we call these photoelectrons.

当些光撞击表时，它们会把撞开；我们称之为光。

And in chemistry, in science, we can actually measure ionization energy using something called photoelectron spectroscopy.

在化学和科学领域，我们实际上可以使用光谱来测量离。

And so what's cool about photoelectron spectroscopy is we can actually verify the predictions that we made with Coulomb's Law.

因此, 光光谱的酷之处在于, 我们实际上可以验证我们用库仑定律做出的预测。

That technology is called photoelectron spectroscopy.

项技术被称为光谱。

If we're looking at a sample of hydrogen we're going to create a spectrum or a photoelectron spectrum.

如果我们正在观察氢样本，我们将创建一个光谱或光谱。

The electrons which are emitted during such a process are called photoelectrons.

在样的过程中发射出来的被称为光。