Question

what is the formula of lens???​

Answer 1

Answer:

A lens of formula may be defined as the formula which give the relationship between of the image (v) , distance of object (u) , and the focal lengths ( f) of the lenses......

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Answer 2

Hey mate here is your answer...

The relationship between object distance, image distance and the focal length is known as lens formula.

The lens formula is expressed as :

1/v - 1/u = 1/f

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