Re: [好奇] 陽光 = 平行光?

看板Physics作者 (John)時間16年前 (2009/12/11 18:52), 編輯推噓0(115)
留言7則, 4人參與, 最新討論串2/3 (看更多)
※ 引述《Baumgartner (Minardi NO.1 ><)》之銘言: : 國中物理有教過太陽因為離地球太遠,陽光可視為平行光。 : 今天早上看到陽光透出雲層,類似這樣 : http://www.flickr.com/photos/irenelo_913/2466956073/ : 突然好奇心大起,假如是平行光,理論上每一條透出來的光線都會平行才對啊 : 為何每一條是輻射狀散開的呢? diffusion: photon random scattering due to the collision with air particle If you are on the moon, there is no diffusion. -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 112.104.169.150

12/11 18:55, , 1F
Photon@@!?
12/11 18:55, 1F

12/12 17:41, , 2F
photons scatter randomly.......air particles
12/12 17:41, 2F

12/12 20:28, , 3F
photon random scattering is a noun
12/12 20:28, 3F

12/12 20:29, , 4F
diffusion is a noun
12/12 20:29, 4F

12/12 20:37, , 5F
scatter is a verb
12/12 20:37, 5F

12/12 20:39, , 6F
verb =/= noun
12/12 20:39, 6F

12/13 17:42, , 7F
用hyphen可以避免很多不必要的誤解 讓文字更親切易讀
12/13 17:42, 7F
文章代碼(AID): #1B8YHXrk (Physics)
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文章代碼(AID): #1B8YHXrk (Physics)