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

Optical centre

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Radius of curvature

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Twice the focal length

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Principal focus

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Solution

The correct option is A
Optical centre

A ray of light passes through optical centre of a lens is refracted back along the same path i.e. through optical centre itself.

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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 light ray passing through the optic centre of a convex lens will pass through ___ after refraction.

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