Physis(急)

2007-02-02 1:22 am
為甚麽當筷子在水裏時像彎曲(bent)了的?

回答 (1)

2007-02-02 1:30 am
✔ 最佳答案
物件放於水中會產生彎曲的情況, 是因為物理現象refraction.
Objects in water always look nearer to water surface than they really are.
The cone of rays from Object at the bottom is bent away from the normal as it enters the air, and so it appears to come from somewhere higher then Object.
參考: textbook


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