How much energy does the light beam carry? (pls in terms of c, frequency, amplitude and other necessary factors)
Thx for answering~
更新1:
So, if 10 Watts are used to produce 10J/s of light, then what is the frequency and amplitude of the light?
So, if 10 Watts are used to produce 10J/s of light, then what is the frequency and amplitude of the light?
收錄日期: 2021-04-29 17:26:59
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070114000051KK03355