A ray of light passing through a principal focus, after refraction from a convex lens ___.

will emerge at an angle of

45^{0}

to the principal axis

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will emerge perpendicular to the principal axis

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will emerge parallel to the principal axis

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will emerge undeviated

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Solution

The correct option is C will emerge parallel to the principal axis
The light rays through the focus of the convex lens will emerge out parallel to the principal axis.

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Similar questions

Q. A ray of light passing through a principal focus, after refraction from a convex lens ___.

Q. A ray of light parallel to the principal axis, after refraction passes through the focus of a convex lens.

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

A light ray passing through focus hits a convex lens. After that, it hits another lens and finally passes through the principal axis. Which kind of lens is used?
Note: Principal axis of both the lenses coincides.

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.

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A ray of light passing through a principal focus, after refraction from a convex lens ___.

The correct option is C will emerge parallel to the principal axisThe light rays through the focus of the convex lens will emerge out parallel to the principal axis.

The correct option is C will emerge parallel to the principal axis
The light rays through the focus of the convex lens will emerge out parallel to the principal axis.