| ⇦ | 
| ⇨ |
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
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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 galvanometer having resistance of 50 Ω requires a current of 100μA to give full
- Radii of curvature of a converging lens are in the rato 1:2. Its focal length
- The turn ratio of a transformer is 1:2. An electrolytic dc cell of emf 2 volt is connected
- A circular disc of radius 0.2 meter is placed in a uniform magnetic field of induction
- When you move from equator to pole, the value of acceleration due to gravity (g)
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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