Rules for obtaining images formed by convex lenses class 10 | cbse24

Rule 1:-A ray of light which is parallel to the principal axis of a convex lens, passes through its focus after refraction through the lens

Rule2:-a ray of light passing through the optical centre of a convex lens goes straight after refraction through the lens.

Rule 3:-A ray of light passing through the focus of a convex lens becomes parallel to its principal axis after refraction through lens


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