JEE Main 2013MathematicsStraight LinesMediumMCQ

JEE Main 2013 — Straight Lines Question with Solution

JEE Main 2013 (07 Apr)

Question

A ray of light along x+3y=3 gets reflected upon reaching X-axis, the equation of the reflected ray is

Choose an option

Show full solutionCorrect option: D
Correct answer
D3y=x-3

Step-by-step explanation

Let incident ray intersecting Y-axis at B and X-axis at A.

∆OAB is congruent to ∆OAB'

Hence OB'=OB

Equation of B'A:x3+y-1=1

or  x-3y=3.

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About this question

This is a previous-year question from JEE Main 2013, covering the Straight Lines chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.