According to the ray diagram rule for lenses, a ray parallel to the principal axis, after refraction from a convex lens, passes through the
○ optical centre
○ near-side principal focus
principal focus on the other side of the lens
○ centre of curvature
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The chapter states this ray, after refraction from a convex lens, passes through the principal focus located on the other side of the lens. — Examisthan.com