the line joining the two centers of curvture of a lens is called
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Answer:
principle axis or optical axis
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Answer:
principal axis
Explanation:
An imaginary line joining the centre of curvature of the two spheres, of which lens is a part is known as Principal Axis. In other words we can also say It is a line passing through the center of the surface of a lens or spherical mirror and through the centers of curvature of all segments of the lens or mirror.
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