What is the optical centre of a lens?

A point in or outside the lens through which a ray of light passes undeviated.

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A line joining the centre of curvature of two spherical surfaces forming lens.

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The vertical plane passing through the first principal focus.

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All of the above

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Solution

The correct option is A
A point in or outside the lens through which a ray of light passes undeviated.

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Similar questions

A ray of light after refraction through a lens emerges parallel to the principal axis of the lens. The incident ray passes through :

(a) its optical centre

(b) its first focus

(d) the centre of curvature of the first surface.

A ray light incident on a lens parallel to its principal axis, after refraction passes through or appears to come from :

(a) its first focus

(b) its optical centre

(d) the centre of curvation of its second surface.

A ray of light incident on the optical centre of a spherical lens, after refraction passes through:

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