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CBSE Class 10 Answered

I WANT TO UNDERSTAND LENS FORMULAE

Asked by deevyanshkumarsingh | 23 Mar, 2019, 09:00: AM
Expert Answer
Lens formula is 
1/v -1/u= 1/f
Where v is distance of image from optical centre of lens
And u is the distance of object from optical centre of lens
And f is the focal length of lens
Direction along incident ray is taken as positive. 
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