A and B are two vectors and θ is the angle between them ,if |A x B|=√3(A.B),the value of θ

A And B Are Two Vectors And Is The Physics Question

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:

  1. A dust packet is dropped from 5th storey of a multi-storeyed building
  2. Two bodies of masses m₁ and m₂ are initially at rest at infinite distance apart
  3. A resistance R draws power P when connected to an AC source. If an inductance
  4. The moment of inertia of a semicircular ring about the centre is
  5. Two lenses of power 15 D and -3 D are placed in contact.

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.

NEETLab Mobile App

Share this page with your friends

Be the first to comment

Leave a Reply

Your email address will not be published.


*