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CBSE Class 10 Answered

why doesn't refraction happen when a light ray passes from air to a lens( along its principle axis)
Asked by sakshi.eashan | 13 Oct, 2008, 01:57: PM
answered-by-expert 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 | 13 Oct, 2008, 06:27: PM

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