Question

How would a ray of light emerge when it passes through the optic centre of convex lens?

Answer 1

It emerges undeviated .

A ray that passes through the optic centre emerges undeviated from its path.



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Answer 2

Answer:

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

2. It trcaes 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 :

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.