NCERT Exercise 10.4 Q11 - Vector Algebra

Question: Let |a| = 3 and |b| = sqrt(2)/3. Then a × b is a unit vector if the angle between a and b is (A) pi/6 (B) pi/4 (C) pi/3 (D) pi/2.

Answer: (B).

Full step-by-step NCERT solution with diagrams on Something by Zero.

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