| ⇦ | 
| ⇨ |
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
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Difficulty Level: Easy
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Topics: Motion in Plane
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A point source is kept at a distnace 1000m has an illumination I. To change the illumination
- Two bodies of masses m₁ and m₂ and having velocities v₁ and v₂ respectively
- The force of repulsion between two electrons at a certain distance is F.
- A block of 2 kg is kept on the floor. The coefficient of static friction is 0.4
- If α (current gain) of transistor is 0.98, then what is the value of β
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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