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JEE MAIN 2021
26.02.2021_S2
Question
The incident ray, reflected ray and the outward drawn normal are denoted by the unit vectors $\vec{a}, \vec{b}$ and $\vec{c}$ respectively. Then choose the correct relation for these vectors.
Select the correct option:
A
$\vec{b}=\vec{a}+2 \vec{c}$
B
$\vec{b}=2 \vec{a}+\vec{c}$
C
$\vec{b}=\vec{a}-2(\vec{a} \cdot \vec{c}) \vec{c}$
D
$\vec{b}=\vec{a}-\vec{c}$
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
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JEE Main
Physics
Easy
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