JEE Main 2020MathematicsStraight LinesMediumMCQ

JEE Main 2020 — Straight Lines Question with Solution

JEE Main 2020 (06 Sep Shift 1)

Question

A ray of light coming from the point (2,23) is incident at an angle 30° on the line x=1 at the point A. The ray gets reflected on the line x=1 and meets x -axis at the point B. Then, the line AB passes through the point
 

Choose an option

Show full solutionCorrect option: C
Correct answer
C(3,-3)

Step-by-step explanation

  

Equation of 

P'B→y-23=tan120°·(x-0)

⇒  3x+y=23

Now satisfy options

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About this question

This is a previous-year question from JEE Main 2020, 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.