Verified Solution • 2025–26 Session moderate

QAIPM-2015-Ph-1261: NEET 2015 Physics - Class 11 AIPM-2015-Ph-1261 Solution: If vectors \( {A} = t {i} + t {j}\) and \( {B} = { t}{2} {i} +…

If vectors A⃗=cos⁡ωti^+sin⁡ωtj^\vec{A} = \cos\omega t\hat{i} + \sin\omega t\hat{j} and B⃗=cos⁡ωt2i^+sin⁡ωt2j^\vec{B} = \cos\frac{\omega t}{2}\hat{i} + \sin\frac{\omega t}{2}\hat{j} are functions of time then the value of t at which they are orthogonal to each other is t=πωt = \frac{\pi}{\omega} t = 0 t=π4ωt = \frac{\pi}{4\omega} t=π2ωt = \frac{\pi}{2\omega}

Multiple Choice Options

  • A t=πωt = {\pi \over \omega } t = _ � _
  • B t == = 0
  • C t=π4ωt = {\pi \over {4\omega }} t = 4 _ � _
  • D t=π2ωt = {\pi \over {2\omega }} t = 2 _ � _

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