JEE Main 2013 Mathematics question

Mathematics Straight Lines JEE Main 2013

A ray of light along gets reflected upon reaching x-axis, the equation of the reflected ray is -

(1)
(2)
(3)
(4)Correct

Answer: (4)

Solution

The incident ray hits x-axis at with angle 30°. Reflected ray: , giving .

Question ID VK-000868