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ECAT Mathematics Chapter 24 Vectors Online Test MCQs With Answers
Question # 1
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Question # 2
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Question # 3
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0
1
-1
None
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Question # 4
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 # 5
The position vector of a point (x, y) in xy plane is
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none of these
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Question # 6
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Question # 7
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Question # 8
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parallel vectors
perpendicular vectors
concurrent vectors
collinear vectors
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Question # 9
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l
2
+ m
2
+ n
2
= 0
l
2
- m
2
+ n
2
= 1
l
2
+ m
2
+ n
2
= 1
l
2
+ m
2
- n
2
= 0
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Question # 10
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Question # 11
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none of these
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Question # 12
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none of these
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Question # 13
The ortho center of triangle whose vertices are (0,0)(3,0)(0,4) is
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(0,0)
(1,1)
(2,2)
(3,3)
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Question # 14
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Question # 15
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Question # 16
If Projvu = Projuv, then
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Uand vare parallel
|u|=|v|
Uandvre perpendicular
One ofuorv
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Question # 17
[i,j,k]
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0
2
1
-2
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Question # 18
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none of these
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Question # 19
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1
0
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Question # 20
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[0, 0, 0]
[1, 0, 0]
[0, 1, 0]
[0, 0, 1]
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Question # 21
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none of these
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Question # 22
For two vector a and b, a+b = _______
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a b
b+a
b-a
None
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Question # 23
If a2 = b2 then
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a = b
a+b= 1
|a+b| =0
None
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Question # 24
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Question # 25
Which of the following is a vector.
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distance
temperature
energy
acceleration
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Question # 26
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direction ratios
direction cosines
direction angles
none of these
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Question # 27
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Question # 28
3j . k x i
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0
1
3
9
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Question # 29
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Question # 30
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Question # 31
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none of these
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Question # 32
A vector with magnitude one is called
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constant vector
unit vector
zero vector
null vector
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