A ray of light along $x+ \sqrt{3}y =\sqrt 3$ gets reflected upon reaching x−axis, the equation of the reflected ray is :

Question

$\begin{array}{1 1} (1) y= x+ \sqrt 3 \\ (2) \sqrt 3 y =x -\sqrt 3 \\ (3) y= \sqrt 3 x -\sqrt 3 \\ (4) \sqrt {3y} =x -1 \end {array}$