| ⇦ | 
| ⇨ |
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) 60ﾟ
(b) 45ﾟ
(c) 30ﾟ
(d) 90ﾟ
Correct Answer:
60ﾟ
Explanation:
Given |A x B|= √3 (A.B)
AB sinθ = √3 AB cosθ
AB sinθ/AB cosθ = √3
tan θ = √3
θ = tan⁻¹√3 = 60°.
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Difficulty Level: Easy
(1008)
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
- To obtain a p-type semiconductor, germanium must be doped with
- A missile is fired for maximum range with an initial velocity of 20 m/s
- The current gain of a transistor in common base configuration is 0.96.
- If a mass of 20g having charge 3.0 mC moving with velocity 20ms⁻¹ enters a region
- A concave mirror of focal length f₁ is placed at a distance d from a convex lens
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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