Physics
Explain the optical centre of a lens with the help of proper diagram(s).
Refraction Lens
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Answer
Optical centre is a point on the principal axis of the lens such that a ray of light passing through this point emerges parallel to its direction of incidence. The optical centre is thus the centre of the lens.
The point O is the optical centre of the convex and concave lenses .
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Related Questions
State difference between a convex and a concave lens in their —
(a) appearance, and
(b) action on the incident light.
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(a) What special name is given to this point on the principal axis?
(b) Draw a labelled diagram to support the answer in part (a).
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