. A ray of light incident at a point on the principal axis of a convex lens passes undeviated through the lens
A ray of light incident at a point on the principal axis of a convex lens passes undeviated through the lens.
(a) What special name is given to this point on the principal axis?
(b) Draw a labelled diagram to support answer in part(a).
Best Answer
(a) This point on the principal axis is known as Optical centre.
(b)
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