Question

Why a light ray does remains undeviated when it passes through the optical centre of a lens?

Answer 1

it is the property of lens.

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Answer 2

Answer:

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

2. Hence, a light ray remains undevitaed when it passes through the optical centre of a lens.

Explanation:

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.