Question

Ordinate of all points on X-axis is
$$A.0$$
 $$B.1$$
$$C.2$$
$$D.3$$

Answer 1

Hint: The given question is about to write the ordinates of all the points on $$x-axis$$. The given question is all about axis (plural of axis which includes both the axis $$x-axis$$ as well as $$y-axis$$). We have to make points on $$x-axis$$ and check the ordinates of all points on $$x-axis$$.

Complete step-by-step answer:
The question is to write the ordinates of all the points on $$x-axis$$. Firstly we will discuss what is ordinate and abscissa . Let us consider a point $$\left(x,y\right)$$ which in any plane then $$x$$ is abscissa and $$y$$ is ordinate which means the point on $$x-axis$$ is abscissa and the point on $$y-axis$$ is ordinate. Let us take one more example which is $$\left(3,4\right)$$. The point on $$x-axis$$ is $$3$$ and on $$y-axis$$ is $$4$$. Therefore abscissa is $$3$$ and ordinate is $$4$$.
Now In the given question, We have to write the ordinates of all the points on $$x-axis$$. It means the point which is on $$x-axis$$. It means the point which is on x-axis, We have to write that point on $$y-axis$$.
Let us clear it by making $$x-axis$$

Since on $$x-axis$$ there is no value of $$y$$, Because on $$x-axis$$, all the value in the point is of $$x-axis$$. It means , only abscissa is there on $$x-axis$$, there is only abscissa. Because on $$x-axis$$, all the values of the point are on $$x-axis$$. Therefore only abscissa lies there. But there is no ordinate because on $$x-axis$$, there is no ordinate because on $$x-axis$$, there is no point of $$y-axis$$ so, There is no ordinate of all the points on $$x-axis$$.
Hence There are zero ordinates of all the points on $$x-axis$$. Therefore option (A) is correct Also, on $$y-axis$$ ,there is no point of $$x-axis$$, only point of $$y-axis$$ lies there which means on $$y-axis$$, There are zero abscissa of all the points.

Note: There are zero ordinates of all the points on $$x-axis$$and there are zero abscissa of all the points on $$y-axis$$. But in any plane or any quadrant, the value of abscissa as well as ordinate is non-zero because in any quadrant, There are both values of $$x-axis$$and $$y-axis$$ means abscissa and ordinate.