Question

what is the SI unit of power of a lens ?define​

Answer 1

$\green{dioptre} \: is \: the \: si \: unit \: of \: power \: of \: lens$

$\: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \boxed{d = \frac{1}{f} }$

$\: \: \: \: \: \: here$

$\: \: \: \: \: \: \: \: \: \: \: \pink{d = power}$

$\: \: \: \: \: \: \: \: \: \: \purple{f = focal \: lenth}$

$\mathcal\orange{Please\:mark\:as\:brainliest.....}$