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Vectors — JEE Mathematics MCQs

Master Vectors for JEE Main with free mathematics MCQs. Each question includes a detailed solution and instant feedback — practice at easy, medium, and hard difficulty levels to build exam-ready confidence.

3 practice questions with instant feedback and solutions.

Easy•Vectors
The magnitude of vector a⃗=3i^+4j^\vec{a} = 3\hat{i} + 4\hat{j} is:
Easy•Vectors
If a⃗=2i^+3j^\vec{a} = 2\hat{i} + 3\hat{j} and b⃗=i^−j^\vec{b} = \hat{i} - \hat{j}, then a⃗⋅b⃗\vec{a} \cdot \vec{b} is:
Medium•Vectors
If a⃗=2i^+3j^−k^\vec{a} = 2\hat{i} + 3\hat{j} - \hat{k} and b⃗=i^−2j^+2k^\vec{b} = \hat{i} - 2\hat{j} + 2\hat{k}, then the area of the parallelogram with adjacent sides a⃗\vec{a} and b⃗\vec{b} is: