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Let the vector \(\vec{a} \; and\; \vec{b}\) be such that \(|\vec{a}| = 3\; and\; |\vec{b}| = \frac{\sqrt{2}}{3},\; then\; \vec{a}\times\vec{b}\) is a unit vector ,if angle between \(\vec{a} \; and\; \vec{b}\) is

(A)  \(\frac{\pi}{6}\)

(B) \(\frac{\pi}{4}\)

(C) \(\frac{\pi}{3}\)

(D) \(\frac{\pi}{2}\)

1 Answer

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Best answer

Answer is (B)

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