Question

Give the usual name for the following :; A point inside a lens through which the light passes undeviated.

Answer 1

Answer:

Optical Centre

Explanation:

Answer 2

Answer:

optical center

Explanation:

A point inside a lens through which light passes un-deviated is called as the optical center of the lens. When a ray of light passes through the optical center of any either concave or convex lens the ray of light will pass through it without being deflected. The optical center of the lens is the center part of that lens, measurement is usually done from the optical center in the parameter calculation in lens.