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JEE Advance 2013
Paper-1
Question
A ray of light travelling in the direction $\frac{1}{2}(\hat{i}+\sqrt{3} \hat{j})$ is incident on a plane mirror. After reflection, it travels along the direction $\frac{1}{2}(\hat{i}-\sqrt{3} \hat{j})$. The angle of incidence is :
Select the correct option:
A
$30^{\circ}$
B
$45^{\circ}$
C
$60^{\circ}$
D
$75^{\circ}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
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