Question

Fill in the Blank

A ray of light passes _________ after refraction through the optical centre of a lens.​

Answer 1

Answer:

A ray of light passing through the optical center suffers no refraction, that is, it passes undeviated. This is because, when it passes through the optical center, it is perpendicular to the curved surface of the lens. Hence, the angle of incidence is zero and therefore the angle of refraction is also zero

Explanation:

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Answer 2

Explanation:

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