A ray of light along gets reflected upon reaching -axis, the equation of the reflected rays is
- (A)✓ Correct
- (B)
- (C)
- (D)
Answer: (A)
Solution
The incident line has slope , and reflection in the x-axis flips the sign of the slope to . The ray meets the axis where , at , and the reflected ray leaves that point with the new slope: , that is .
JEE Main · 2013 · 07 Apr 2013 · Offline · Single correct option