Question

An ancident ray parallel to principal axis of a convex lens will pass through after raflection

Answer 1

After reflection it appear to passes through focus.

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Answer 2

Answer:

when incident Ray parallel to principal axis the Ray passes through f2.Means it will pass through the second focus

Explanation:

there are two focus on a principal axis ..First focal point and second focal point.

when a Ray of light parallel to principal axis then it will pass through second focal point .

and first focal point is a point on principal axis of the lens such that the Rays of light coming from it after refraction through lens become parallel to the principal axis of the lens.

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