⇦ | ⇨ |
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: - Which of the following is a vector quantity?
- If energy(E), velocity(V) and time(T) are chosen as fundamental quantities,
- The de-broglie wavelength of an electron in 4th orbit is
- The acceleration of an electron in an electric field of magnitude 50 V/cm,
- what is the de-Broglie wavelength of the electron accelerated through a potential
Difficulty Level: Easy
(1008)
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which of the following is a vector quantity?
- If energy(E), velocity(V) and time(T) are chosen as fundamental quantities,
- The de-broglie wavelength of an electron in 4th orbit is
- The acceleration of an electron in an electric field of magnitude 50 V/cm,
- what is the de-Broglie wavelength of the electron accelerated through a potential
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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