摘要
利用喇叭播放频率逐渐变化的声音,当声音的频率与酒杯的固有频率相同时,酒杯发生共振,从而震碎.
Sound with varying frequency was played by a speaker.When the sound frequency matched the natural frequency of the glass,the resonance phenomenon occurred and the glass was shattered.
出处
《物理实验》
北大核心
2011年第9期16-18,共3页
Physics Experimentation
关键词
共振
固有频率
声源
resonance
natural frequency
sound source
