⇦ | ⇨ |
If A=4i+4j+4k and b=3i+j+4k, then angle between vectors A and B is
Options
(a) 180゚
(b) 90゚
(c) 45゚
(d) 0゚
Correct Answer:
90゚
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Three particles A,B and C are thrown from the top of a tower with the same speed.
- A body travelling along a straight line traversed one-third of the total distance
- The radius of germanium nuclide is measured to be twice the radius of ₄⁹Be.
- A coin of mass m and radius r having moment of inertia I about the axis passes
- An alternating electric field, of frequency v, is applied across the dees (radius = R)
Difficulty Level: Easy
(1008)
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Three particles A,B and C are thrown from the top of a tower with the same speed.
- A body travelling along a straight line traversed one-third of the total distance
- The radius of germanium nuclide is measured to be twice the radius of ₄⁹Be.
- A coin of mass m and radius r having moment of inertia I about the axis passes
- An alternating electric field, of frequency v, is applied across the dees (radius = R)
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
a.b=|a||b|cos(x)
(4,4,-4) (3,1,4) = 4×3+4×1+(-4)x4
= 12+4-16
=0