Vector Algebra

Bihar Board Class 12 · Mathematics · 122 past questions

7 of 122 · show all

1. Q26 2025

   $\hat{i} \times \hat{k} =$

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2. Q27 2025

   $(\hat{j}+2\hat{k}) \times (\hat{i}+2\hat{j}) =$

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3. Q29 2025

   If $\vec a = 2\hat\imath+3\hat\jmath+4\hat k,\vec b = -\hat\jmath-2\hat k$ then $|\vec a \times \vec b| =$

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4. Q33 2025

   If $|\vec{a}| = 3, |\vec{b}| = \frac{\sqrt{2}}{3}$ and $\vec{a} \times \vec{b}$ is a unit vector then angle…

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5. Q37 2025

   Find vector $\vec{v}$ which is perpendicular to $(2\hat{\imath}-\hat{\jmath}+2\hat{k})$ and…

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6. Q38 2025

   If $\vec{a} = \hat{i}-\hat{j}+\hat{k}$ and $\vec{b} = \hat{j}-\hat{k}$ then find $\vec{c}$ such that…

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7. Q46 2025 Set A2025 Set E

   $(i \times j) + (\vec{i} \times \vec{i}) =$

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