| ⇦ | 
| ⇨ |
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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A concave mirror of focal length f₁ is placed at a distance d from a convex lens
- If A.B=A x B,then the angle between A and B is
- Force required to move a mass of 1kg at rest on a horizontal rough plane
- If the angular momentum of any rotating body increase by 200 % , then the increase
- The temperature of a body falls from 50⁰C to 40⁰C in 10 minute. If the temperature
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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