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ECAT Pre General Science Mathematics Chapter 24 Vectors Online Test MCQs With Answers
Question # 1
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 # 2
The unit vector along x-axis is
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none of these
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Question # 3
Which of the following is a vector.
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work
time
density
electric field
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Question # 4
If uv= Projuv then
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Uandvare parallel
vis a unit vector
Uis a unit vector
Both b and c
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Question # 5
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25
16
5
0
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Question # 6
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[0, 0, 0]
[1, 0, 0]
[0, 1, 0]
[0, 0, 1]
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Question # 7
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 # 8
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none of these
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Question # 9
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0
1
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Question # 10
The zero vector is regarded to be parallel to
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Every vector
Is some cases
Both a,b
None
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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
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Question # 13
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none of these
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Question # 14
If the vector 2i + 4j - 7k and 2i + 6j + xk are perpendicular then x = ?
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0
2
4
7
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Question # 15
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Question # 16
For two vector a and b, a+b = _______
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a b
b+a
b-a
None
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Question # 17
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Question # 18
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Question # 19
Which of the following us a scalar
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displacement
velocity
acceleration
density
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Question # 20
Which of the following does not represent absolute value of a vector
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magnitude
length
norm
number
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Question # 21
If C is the mid point of AB and P is any point outside AB, then
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Question # 22
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Question # 23
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none of these
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Question # 24
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a
1
+ a
2
a
2
1
+ a
2
2
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Question # 25
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parallel vectors
perpendicular vectors
concurrent vectors
collinear vectors
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Question # 26
[i,j,k]
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0
2
1
-2
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Question # 27
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none of these
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Question # 28
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none of these
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Question # 29
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Question # 30
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perpendicular vectors
concurrent vectors
parallel vectors
none of these
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