Elementary Vectors Online Test

The angle between the vectors  and  is ____.
30°
45°
60°
90°
/
20
23
26
The volume of the parallelepiped whose sides are given by  is
4
None of these
Let a=2i+ j-2k and b =i+j. If c is a vector such that a. c=|c|,|c-a|=2 and the angle between (a xb) and c is 30o, then |(a x b) xc|=
2/3
3/2
2
3
The angle between two vectors  and  is ____.

90°
180°
None of the above
If  then the angle between A and B is ____.
( / 3
(
( / 4
The angle made by the vector  with x- axis is ____.
90°
45°
22.5°
30°
The unit vector along  is ____.
The unit vector parallel to the resultant of the vectors  and  is ____.
Angle between the vectors  and  is ____.
90°

180°
60°
Description:

The vectors is an useful tool for Physics and maths both. In this test the questions are from unit vectors , product of vectors and application of product of vectors

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Discussion

sengupta maam please explain question 4 of this test

2201 days 22 hours 12 minutes ago

Kajal Sengupta
Physics 9th to 12 th grade,CIE, Edexcel, AP, IB , CBSE, ICSE
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