這學期上了一個自然通識
老師講到都普勒效應，不免俗的講到紅綠燈
但是老師說光不會因都普勒效應變色
V0+V(接收者
他解釋說因為都普勒公式f'=f—————
V0-V(發射者
而光因為相對論提到光速不因相對速度改變，所以公式中那兩個+-的V都無效...
我覺得很奇怪...但是不知道要怎麼跟他說
剛剛我去問說能不能用長度收縮解釋波長收縮，他說不會
還是我記錯了嗎？
期中考我寫光的指向性也被問說有指向性這個詞嗎？(是directionality?
好納悶喔...
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◆ From: 140.119.163.179
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噗 公式是我打錯了
※ 編輯: EricTao 來自: 140.119.163.179 (06/17 18:08)
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