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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.
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Difficulty Level: Easy
(1008)
Topics: Motion in Plane
(93)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Find the maximum velocity with which a train can be moved on a circular track
- Ist law of thermadynamics is based on
- Shear modulus is zero for
- The string of a pendulum is horizontal.The mass of bob attached to it is m
- Two slits in Young’s experiment have widths in the ratio 1:25. The ratio of intensity
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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a.b=|a||b|cos(x)
(4,4,-4) (3,1,4) = 4×3+4×1+(-4)x4
= 12+4-16
=0