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What geometric figure is described as the set of points equidistant from a fixed point?
It could be a circle or a sphere
What physical quantities are measured along the axes of a position time graph?
Time and the distance from a fixed point (the origin) - either in a fixed direction or radially.
Comperism between geometric unsharpnes and radiographic unsharpness?
geometric unsharpness is fixed by setting the focal radius,etc. while radiographic unsharpness consists of both geometric and film unsharpness.
Circle and its elements?
A circle is the locus of a point which moves such that its distance from a fixed point is constant. .The fixed point is centre and fixed distance is radius of circle. Elements of circle are centre, radius and circumference.
Differentiate between arithmetic series and geometric series?
In an arithmetic series, each term is defined by a fixed value added to the previous term. This fixed value (common difference) may be positive or negative.In a geometric series, each term is defined as a fixed multiple of the previous term. This fixed value (common ratio) may be positive or negative.The common difference or common ratio can, technically, be zero but they result in pointless series.
