phy題 分子的震動

2008-06-23 7:06 am
分子震動會否產生聲音
如果會就會產生聲能
聲能會唔會增加內能

回答 (2)

2008-06-24 4:48 am
✔ 最佳答案
Q:分子震動會否產生聲音
如果會就會產生聲能
聲能會唔會增加內能

A: Clearly, NO.
If it could, you would hear lots of noice around you as molecules on all objects, including air, are all in vibration. We would not have a quiet environment.
2008-06-24 5:33 am
有d瀕率你聽唔到


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