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Mathematics · 2024 · 1 mark
CBSE 2024 · Region 2 · Set 1 · Q15
The unit vector perpendicular to both vectors i + k and i - k is:
The unit vector perpendicular to both vectors $\displaystyle \hat{\mathrm{i}}+\hat{\mathrm{k}}$ and $\displaystyle \hat{\mathrm{i}}-\hat{\mathrm{k}}$ is:
Official answer
(B)
$\displaystyle \hat{\mathrm{j}}$
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