JEE Main Mathematics question
A beam of light is sent along the line . Which after refracting from the -axis enters the opposite side by turning through towards the normal at the point of incidence on the -axis. Then, the equation of the refracted ray is
Answer: (B)
Solution
The line meets the -axis at and makes with the -axis, i.e. with the normal. Turning towards the normal makes the angle with the normal
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