A ray of light coming from the point ( 2 , 2 3 ) is incident at an angle 30 ° on the line x = 1 at the…

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
 

  1. 3,-13
  2. (4,-32)
  3. (3,-3)
  4. 4,-3

Solution

  

Equation of 

P'By-23=tan120°·(x-0)

  3x+y=23

Now satisfy options

Asked in: JEE Main 2020 (06 Sep Shift 1)

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