Physics Chapter PYQs

Vectors PYQs

All NEET previous year questions from Vectors — with explanations.

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If vectors A⃗=cos⁡ωt i^+sin⁡ωt j^\vec{A}=\cos\omega t\,\hat{i}+\sin\omega t\,\hat{j} B⃗=cos⁡(ωt2)i^+sin⁡(ωt2)j^\vec{B}=\cos\left(\frac{\omega t}{2}\right)\hat{i}+\sin\left(\frac{\omega t}{2}\right)\hat{j} are functions of time, then the value of $t$ at which they are orthogonal to each other is:

Medium NEET 2015Class 11Scalar Product of Vectors

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