A ray of light incident on the optical center of a spherical lens, after refraction passes through which point?
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Solution
Path of a ray passing through the optical center
When a ray passes through the optical center of the lens it passes the lens and follows the same path in the same direction.
This happens because, at the optical center, it falls on the curved surface perpendicularly, so that the angle of incidence and the angle of refraction both are zero.
And thus the ray passes through the lens without any refraction.
The path of the ray remains un-deviated when it passes through the optical center.
A ray of light incident on the optical center of a spherical lens, after refraction passes through optical center itself.
