⇦ | ⇨ |
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
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Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- We get Balmer series when electron comes from
- A condenser of capacity C is charged to a potential difference of V₁. The plates
- An electron revolves in a circle at the rate of 10¹⁹ rounds per second.
- In a capillary tube water raises by 1.2 mm. The height of water that will rise
- Three capacitors 3μF,6μF and 6μF are connected in series to a source of 120V.
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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