Mathematics · 2013
JEE Main · 9 April 2013, Shift 1 · Q80
A light ray emerging from the point source placed at P (1,3) is reflected at a point Q in the axis of x. If the reflected ray passes through the…
A light ray emerging from the point source placed at $\displaystyle \mathrm{P}(1,3)$ is reflected at a point Q in the axis of $\displaystyle x$. If the reflected ray passes through the point R$\displaystyle (6, 7)$, then the abscissa of Q is :
Official answer
(4)
$\displaystyle \frac{5}{2}$
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JEE Main 2013 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.