| ⇦ | 
| ⇨ |
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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ratio of the dimensions of planck’s constant and that of the moment of inertia is
- When a beam of light is used to determine the position of an object,
- Two spherical nuclei have mass numbers 216 and 64 with their radii R₁ and R₂,
- An astronomical telescope arranged for normal adjustment has a magnification of 6.
- The induced emf in a coil of 10 H inductance in which current varies
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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