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| ⇨ |
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
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A thin semicircular conducting ring (PQR) of radius r is falling with its plane
- A motor-cyclist drives a motor cycle in a vertical circle. His minimum velocity
- A transformer having efficiency of 90% is working on 200 V and 3kW power supply
- Alternating current cannot be measured by D.C Ammeter because
- If 10000 V is applied across an X-ray tube, what will be the ratio of de-Broglie
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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