Question

What is lens formula ???
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Answer 1

Answer: please mark as brainlist....

Explanation:

Lens Formula...

1/f = 1/v - 1/u

M. =. v/u

Answer 2

Answer:

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

here v=image distance

u=object distance

f=focal length of the lens