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On the Cartesian plane the principle axes are the x horizontal axis and the vertical y axis whereas both axes cross each other at the point of origin which is at (0, 0)
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In an ellipse the major axis is the line that includes the most distant points on the ellipse; the minor axis includes the closest points. An ellipse is a two-dimensional object which can be generalised to three or more dimensions known as ellipsoids. The line that includes the most distant points on an ellipsoid is called the principle axis of that ellipsoid.
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What is the math definition for the word x-axis?
the principal or horizontal axis of a system of coordinates, points along which have a value of zero for all other coordinates.
Why is the ray of light parallel to the principal axis passes through the focus?
Well this only occurs if the lens is parabolic. It is just a fundamental feature of a parabola to reflected an incident ray parallel to the principal axis through the focal point. That is why lenses etc are parabolic. I dont know if this answers your question (it probably doesnt) but oh well...
Where do you look for the scale in the x axis or y axis?
Next to the axis. Next to the axis. Next to the axis. Next to the axis.
Where is y and x axis?
The y- axis in the vertical axis and the x-axis in the horizantal axis
Conjugated principal point?
The conjugated principal point is a term used in optics to refer to the point where the chief ray of a light ray bundle passes through the optical axis after being reflected or refracted by an optical system. It is also known as the focal point or image point. The position of the conjugated principal point depends on the characteristics and parameters of the optical system.
