Question

The locus of a point for which $y=0$, $z=0$ is

• A. equation of $x$-axis
• B. equation of $y$-axis
• C. equation at $z$-axis
• D. None of these

Answer 1

Answer: (A)

Locus of the point $y=0$, $z=0$ is $x$-axis, since on $x$-axis both $y=0$ and $z=0$.