why does a light ray passing through the optical centre do not suffers refraction?

Asked by kshitij.kulkarni | 18th Jul, 2009, 06:21: PM

Expert Answer:

If the lens is thin and the radii of curvature of the two refracting surfaces are equal, a ray of ligth passing through its optical centre passes undeviated but for the rays os light passing through the optical centre of a thick lens, the incident and the emergent rays are parallel, but there is a lateral displacement  between them.

Answered by  | 19th Jul, 2009, 11:56: PM

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