Question

What is optical Centre ......

Answer 1

Optical Centre

Special point on the principal axis of a lens through which light passes without under going any bending or deviation

Answer 2

$\huge\mathfrak\purple{Heya\:Mate}$❤

-Optical centre of a lens is the central point of the lens through which a ray of light passes without suffering any deviation.

-Optical centre of a lense is important because at optical centre refraction of light does not take place.

-So it enables us to see the objects more clearly without refraction.

Hope it helps uhh✌✌