Question

The value of the radius of curvature of a lens surface is positive if the centre of curvature lies on what

Answer 1

Answer:

The sign convention for the optical radius of curvature is as follows: If the vertex lies to the left of the center of curvature, the radius of curvature is positive. If the vertex lies to the right of the center of curvature, the radius of curvature is negative.

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