Thread: Light - Scale Drawing :(
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Old 12-28-2009, 12:31 AM
Punch Punch is offline
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Quote:
Originally Posted by r.samanta View Post
a)1/1000-1/(-u)=1/200 gives u=250 mm
b)m=v/u=I/O gives 1000/250=I/O=250/O gives O=62.5 mm.
lol guess i haven't been to your level yet, can u draw a scale drawing and show me how to derive the answer?sorry
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