IF A⃗ and B⃗ are two vectors and θ is the angle between them

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If A and B are two vectors and θ is the angle between them, if (A x B) = √3 (A. B), the value of θ is

Options

(a) 45°
(b) 30°
(c) 90°
(d) 60°

Correct Answer:

60°

Explanation:

| A⃗ x B⃗ | = √3 (A⃗.B⃗)
⇒ AB sin θ = √3AB cos θ
⇒ tan θ = √3 ⇒ θ = 60°

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Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Motion in Plane (93)
Subject: Physics (2479)

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