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If $\vec{P} . \vec{Q} = PQ, then the angle between \vec{P} and \vec{Q}$

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detailed solution

Correct option is A

cosθ = P→.Q→PQ = 1 ∴ θ = 00

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If P→ .Q→ = PQ, then the angle between P→ and Q→

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If $\vec{P} . \vec{Q} = PQ, then the angle between \vec{P} and \vec{Q}$