Straight Line Question 59
Question: A ray of light coming from the point (1, 2) is reflected at a point A on the x-axis and then passes through the point (5, 3). The coordinates of the point A are [Orissa JEE 2003]
Options:
A) $ ( 13/5,\ 0 ) $
B) $ ( 5/13,\ 0 ) $
C) (- 7, 0)
D) None of these
Correct Answer: A
Show Answer
Answer:
Solution:
Þ $ 13-5a=0\Rightarrow a=\frac{13}{5} $ Thus the coordinates of A are $ ( \frac{13}{5},0 ) $ .
BETA
