The radius of curvature of a circle, or an arc of a circle is the same as the radius of the circle.
For a curve (other than a circle) the radius of curvature at a given point is obtained by finding a circular arc that best fits the curve around that point. The radius of that arc is the radius of curvature for the curve at that point.
The radius of curvature for a straight line is infinite.
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Radius of curvature divided by tube diameter. To get the radius of curvature, imaging the bend in the tube is a segment of a circle, the radius of curvature is the radius of that circle.
There is a specific formula for finding the radius of a curvature, used often when one is measuring a mirror. The formula is: Radius of curvature = R =2*focal length.
The radius of curvature and the focal length mean the same so the radius of curvature is also 15 cm.
yes
See the following link.