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發表於 2005-4-15 22:04:22
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Originally posted by Raul at 2005-4-15 09:39 PM:
我都唔知添
from my F3 Physics note:
lens formula
1/f=1/u+1/v
f=focal length, u=object distance, v=image distance
正數=real image, 負數=virtual image
Power of lens(in dioptres)=1/f
F3 final有考,但F4之後就冇用過
最近睇notes先睇番
份notes仲有camera and eye
應該仲有一份electronics既notes
但唔見左, 好彩out-c姐 |
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