Question

please give me lens formula

Answer 1

The Lens Formula- 

1/v - 1/u = 1/f

Where, v= Distance of Image from optical centre
             u= Distance of object from optical centre
             f= Focal length

This formula applies to both concave as well as convex lens.

Answer 2

✨✔️✔️ HERE IS YOUR ANSWER....

✔️ Relationship between object distance (u), image distance (v) and the focal length (f) is referred to as lens formula.

✔ ️$\frac{1}{v} - \frac{1}{u} = \frac{1}{f}$

✨✔️✔️HOPE IT HELPS YOU...
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