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March 26, 2017

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A pin is placed 40cm away from a convex lens of focal lenght 20cm. Determine the maginification of the pin formed by the lens.

m = 40/20 = 2

am i right with this?

  • physics (mirror 2) - ,

    You have f, and do

    1/do + 1/di = 1/f

    di=dodf/(do+df)=800/60

    M= do/di

    check my thinking.

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