| ⇦ | 
| ⇨ |
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°.
Related Questions: - A straight conductor 0.1 m long moves in a uniform magnetic field 0.1 T.
- A beam of cathode rays is subjected to crossed Electric (E) and Magnetic fields (B)
- A circular disc of radius R and thickness R/6 has moment of inertia I about an axis
- The masses of two radioactive substances are same and their half lives
- If the wavelength of light in vacuum be, the wavelength in a medium of refractive index
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 straight conductor 0.1 m long moves in a uniform magnetic field 0.1 T.
- A beam of cathode rays is subjected to crossed Electric (E) and Magnetic fields (B)
- A circular disc of radius R and thickness R/6 has moment of inertia I about an axis
- The masses of two radioactive substances are same and their half lives
- If the wavelength of light in vacuum be, the wavelength in a medium of refractive index
Difficulty Level: Easy (1008)
Topics: Motion in Plane (93)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply