why doesn't refraction happen when a light ray passes from air to a lens( along its principle axis)
Asked by sakshi.eashan
| 13th Oct, 2008,
01:57: PM
Expert Answer:
The principle axis is perpendicular to the axis of the lens and the point where they meet is called the optic center. Any ray passing through the optic center , passes undeviated.
Answered by
| 13th Oct, 2008,
06:27: PM
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