The distance between the y-axis and the point (1, 2, 3) is :

The correct answer is Option (2) → $\sqrt{10}$ units

Distance between y-axis = Distance between (0, 2, 0) and (1, 2, 3)

$=\sqrt{(1-0)^2+(2-2)^2+(3-0)^2}$

$=\sqrt{1-9}=\sqrt{10}units$