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Mathematics ECAT Pre Engineering Chapter 24 Vectors Online Test MCQs With Answers
Question # 1
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Question # 2
Unit vector in the positive direction of x-axis is
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Question # 3
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[0, 0, 0]
[1, 0, 0]
[0, 1, 0]
[0, 0, 1]
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Question # 4
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none of these
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Question # 5
Which of the vectors have opposite direction?
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Question # 6
If θ be angle between u,v and u,v determine the sides of a triangle then the third side opposite to angle θ has length
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|u+v|
|u|+|v|
|u-v|
|u|-|v|
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Question # 7
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Question # 8
If the angle between two vectors with magnitude 2 and 15 is 30
°
then their scalar product is
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15
30
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Question # 9
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0
1
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Question # 10
A vector of magnitude zero is called
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Position vector
Null vector
Free vector
None of these
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Question # 11
The position vector of a point (x, y) in xy plane is
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none of these
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Question # 12
The unit vector along x-axis is
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none of these
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Question # 13
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none of these
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Question # 14
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none of these
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Question # 15
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none of these
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Question # 16
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Question # 17
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perpendicular vectors
concurrent vectors
parallel vectors
none of these
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Question # 18
[i,j,k]
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0
2
1
-2
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Question # 19
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none of these
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Question # 20
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Question # 21
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Question # 22
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none of these
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Question # 23
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none of these
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Question # 24
If Projvu = Projuv, then
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Uand vare parallel
|u|=|v|
Uandvre perpendicular
One ofuorv
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Question # 25
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Question # 26
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Question # 27
u,v,wand u x (v.w) are
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Equal
Parallel
Additive immense of each other
Meaningless
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Question # 28
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0
1
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Question # 29
Which of the following is a vector.
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distance
temperature
energy
acceleration
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Question # 30
If a,b c are sides of a triangle taken in order then a x b =
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b x c
b x a
cxa
Both a & b
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Question # 31
If a,b,c are three non-coplanar vector then [a +b,b +c,c +a] = _____
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[a.b.c]
2[a,b,c]
[abc]-2
2[abc]2
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