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QJEEM20Ma75f7: JEE Main 2020 Mathematics - Class 11 JEEM20Ma75f7 Solution: A ray of light coming from the point (2, 2 3 ) is incident at…

A ray of light coming from the point (2, 23) is incident at an angle 30o 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 :

Multiple Choice Options

  • A (3, -3)
  • B (4, -3)
  • C (4,−32)
  • D (3,−13)

Step-by-Step Verified Solution

JEE Main 2020 (Online) 6th September Morning Slot Mathematics - Straight Lines and Pair of Straight Lines Question 86 English Explanation

Equation of reflected Ray P'B :

y - 23 = tan 120o (x - 0)

⇒ 3x + y = 23

(3, -3) satisfy the line.

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