Question

What happens to a ray of light that passes through the optical centre?

Answer 1

when light ray passes from optic centre it does not refracts and passes undeviated

Answer 2

Answer:

1. When a ray of light passes through the optical centre of a lens, it is not deviated.

2. It traces the same path.

Explanation :

1. The portion of a lens near the optical centre is like a very thin slab of glass.

2. Hence, the rays of light passing through the optical centre of a lens do not deviate.

Concepts :

Concepts :Optical Centre :

1. The point inside a lens on the principle axis, through which light rays pass without changing their path is called the optical centre of a lens.

2. It is denoted by O.