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Mathematics ECAT Pre Engineering Chapter 24 Vectors Online Test MCQs With Answers
Question # 1
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0
1
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Question # 2
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Question # 3
Projection of vector u along v is
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|v| cosθ
|u| cosθ
|v| sinθ
|u| sinθ
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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
If 2 and 2 are x and y components of vector then its angle with x-axis is
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30
°
45
°
60
°
90
°
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Question # 6
Which of the following is a scalar.
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force
frequency
weight
acceleration
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Question # 7
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direction ratios
direction cosines
direction angles
none of these
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Question # 8
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none of these
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Question # 9
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Question # 10
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Question # 11
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25
16
5
0
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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
The angle between the vectors 3i + j - k and 2i - j + k is
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Question # 15
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Question # 16
Unit vector in the positive direction of x-axis is
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Question # 17
The position vector of a point (x, y) in xy plane is
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none of these
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Question # 18
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1
0
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Question # 19
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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
Which of the following represents a vector
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(x, y)
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Question # 22
If C is the mid point of AB and P is any point outside AB, then
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Question # 23
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Question # 24
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 # 25
The magnitude of a vector can never be
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Zero
Negative
Positive
None of these
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Question # 26
Which of the following is a vector.
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energy
force
work
power
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Question # 27
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Question # 28
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perpendicular vectors
parallel vectors
concurrent vectors
none of these
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Question # 29
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none of these
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Question # 30
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parallel vectors
perpendicular vectors
concurrent vectors
collinear vectors
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Question # 31
The position vector of the point P(a, b, c) is
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