Vector Algebra

Bihar Board Class 12 · Mathematics · 122 past questions

11 of 122 · show all

1. Q1 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2026 Set J2026 Set B2024 Set J2024 Set D2021 Set I2017

   $\vec{k}\times\vec{k}=$

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2. Q2 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2026 Set J2026 Set B

   $\vec{a} \cdot (\vec{a} \times \vec{a}) =$

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3. Q4 2026 Set A2026 Set H2026 Set C2026 Set F2026 Set D2026 Set B

   $2\vec{j} \cdot (-3)\vec{k} =$

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4. Q5 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2026 Set J2026 Set B2024 Set J2024 Set D

   If $3\vec{i} + \vec{j} - 2\vec{k}$ and $\vec{i} + \lambda\vec{j} - 3\vec{k}$ are perpendicular to each other…

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5. Q7 2026 Set A2026 Set C2026 Set F2026 Set J2026 Set B

   $|3\vec{i}+4\vec{j}+7\vec{k}| =$

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6. Q10 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2026 Set J2026 Set B

   The projection of the vector $\vec{i}+3\vec{j}+7\vec{k}$ on the vector $2\vec{i}-3\vec{j}+6\vec{k}$ is

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7. Q12 2026 Set A2026 Set H2026 Set E2026 Set C2026 Set F2026 Set D2026 Set J2026 Set B2024 Set J2024 Set D2021 Set I

   $\vec{i}\cdot(\vec{j}\times\vec{k})=$

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8. Q15 2026 Set D2026 Set H

   $|3\vec{i} + 4\vec{j} + 7\vec{k}| =$

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9. Q16 2026 Set E

   $2\hat{j} \times (-3)\hat{k} =$

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10. Q17 2026 Set E

    $|\,3\vec{i} + 4\vec{j} + 7\vec{k}\,| =$

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11. Q21 2026 Set J

    $2\hat{j}\cdot(-3)\hat{k}=$

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