JEE Main · 2024 · 08 Apr 2024 · Shift 2 · Straight Lines

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Let a ray of light passing through the point reflects on the line and the reflected ray passes through the point . If the equation of the incident ray is , then is equal to ______.

Answer: 1

Solution

Reflect in the line to get the point on the incident ray, since the incident ray, its point of incidence, and the image of any point on the reflected ray are collinear.


Incident ray through and : slope .

JEE Main · 2024 · 08 Apr 2024 · Shift 2 · Integer answer

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