write a short note on lens formula
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the formula which gives the relation between focal length object distance and image distance is called lens formula this formula is very important in Optics
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the lens formula gives the relationship between object distance (u), image distance (v) and the focal length (f) of the lens.
lens formula expressed as:- 1/v-1/u = 1/f
1/image distance - 1/ object distance = 1/ focal length
Explanation:
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