| ⇦ | 
| ⇨ |
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: - After 300 days, the activity of a radioactive sample is 5000 dps
- A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool
- A charge Q is enclosed by a Gaussian spherical surface of radius R
- On a frictionless surface, a block of mass M moving at speed v collides elastically
- SI unit of magnetic dipole moment is
Difficulty Level: Easy
(1008)
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- After 300 days, the activity of a radioactive sample is 5000 dps
- A body cools in 7 minute from 60⁰C to 40⁰C. What time, in minute does it take to cool
- A charge Q is enclosed by a Gaussian spherical surface of radius R
- On a frictionless surface, a block of mass M moving at speed v collides elastically
- SI unit of magnetic dipole moment is
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