| ⇦ | 
| ⇨ |
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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A circuit contains an ammeter, a battery of 30 V and a resistance 40.8 ohm
- An object moving with a speed of 6.25 m/s, is deaccelerated at a rate given by
- A transistor is operated in common-emitter configuration at Vᵥ = 2 V such that a change
- A charged particle experiences magnetic force in the presence of magnetic field.
- A heavy uniform chain lies on a horizontal top table.If the coefficient of friction
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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