Question

what is lens formula.

Answer 1

1/v -1/u = 1/F



........tq

Answer 2

Answer....

☆☆ LENS FORMULA ☆☆

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


here,

$v = distance \: of \: image$
$u = distance \: of \: object.$
And,

$f = focal \: length$