A ray of light from the object, parallel to the principal axis, after refraction from a convex lens, passes through ___.

the principal focus on the same side of the lens

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the principal focus on the other side of the lens

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the centre of curvature on the other side of the lens

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the centre of curvature on the same side of the lens

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Solution

The correct option is B the principal focus on the other side of the lens
A ray of light from the object, parallel to the principal axis, after refraction from a convex lens, passes through the principal focus on the other side of the lens.

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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.

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