A ray of light passing through a certain point on a lens does not undergo any deviation. This point is called

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Focus

Optic centre

Centre of curvature

None of above

answer is B.

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Detailed Solution

The point of no deviation in this case is called the optic centre of the lens.
The optic centre of the lens can also be defined as the central point of the curved surfaces of the lens. At this point, it is observed that the angle of incidence is equal to the angle of reflection and hence, the light ray does not get deflected.
On the other hand, the center of curvature is the centre of the circle of which the bounded surfaces of the lens is a part of. Also, at half of this distance, lies the principal focus of the lens.

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