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What is the relation betweenh(1),h(2), u...

What is the relation between`h_(1),h_(2)`, u and v.

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The ratio of height of image` (h_(2))` to the height of the object` (h_(1)` is called Magnification (M).
`therefore "Magnification"=("Height of the image")/("Height of the oject")`
`therefore M=(h_2)/(h_1)`
Magnification can also be calculated by ratio of the image distance (v) to the object distance (u).
`therefore "Magnification"=("Image distance")/("object distance")`
`therefore M=v/u`
From (i) and (ii),
`therefore M=(h_2)/(h_1) =v/u`
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