Is there a cutoff frequency below which electrons aren't ejected from the metal, no matter how long you wait?
是否有一个截止电压，无论您等待多长时间，都不会从板中提取电子？
Cutoff frequency
原声例句
Crash Course Physics 速成课物理
Crash Course 综合篇
Turns out, there is a cutoff frequency, and the higher the frequency is above the cutoff, the higher the maximum kinetic energy is of the electrons.
原来，有一个截止频率， 高于截止频率的频率越高，电子的最大动能就越高。
中文百科
截止频率
在物理学和电机工程学中，一个系统的输出信号的能量通常随输入信号的频率发生变化（频率响应）。截止频率（英语：Cutoff frequency）是指一个系统的输出信号能量开始大幅下降（在带阻滤波器中为大幅上升）的边界频率。
英语百科
Cutoff frequency 截止频率
In physics and electrical engineering, a cutoff frequency, corner frequency, or break frequency is a boundary in a system's frequency response at which energy flowing through the system begins to be reduced (attenuated or reflected) rather than passing through.
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