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how is the formula derived?( formula is in image form)

Abdul Kadir , 11 Years ago
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anser 4 Answers
robo
its doesnt come by any derivation or proof its just how we defined it as 
Last Activity: 10 Years ago
Kalyani Jayachandran Menon
This formula is taken directly from the definition of magnification.
Last Activity: 10 Years ago
Kalyani Jayachandran Menon
Magnification is defined as the ratio of l to o or v to u. 
Last Activity: 10 Years ago
Aakash
just observe carefully you yourslf an got th ans
Last Activity: 10 Years ago
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