If A u and A are unit vectors and θ is the acute angle between them, then 2 ~A 3 v is a…
Physics · JEE Main · NTA Exams — Kinematics
If \(A
u and
A\) are unit vectors and θ is the acute angle between them, then \(2 \mathrm{~A} \times 3 \mathrm{v}\) is a unit vector for
- Exactly two values of θ
- More then two values of θ
- No value of θ
- Exactly one value of θ
Answer
(D) Exactly one value of θ
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