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Physics 20 Online
OpenStudy (anonymous):

What is the derivation of dB/dG ; dB/db and dB/dg ? (We are in geometrical optics)

OpenStudy (anonymous):

well i am way too much eager to read answers as i dont know a single bit of it :P

OpenStudy (vincent-lyon.fr):

What are B, G, b and g ?

OpenStudy (anonymous):

well as much i knew dB are units of measuring sound. . . yet dont know what actually he is asking for. . .

OpenStudy (anonymous):

My drawing unfortunatly didn`t appear...

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