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ECAT Pre General Science Mathematics Chapter 24 Vectors Online Test MCQs With Answers
Question # 1
The number z so that the triangle with vertices A(1,-1,0),B(-2,2,1)and C(0,2,z) is a right triangle with right angle at vertex C
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1,2
-1,-2
2,-1
-2,1
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Question # 2
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0
1
-1
None
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Question # 3
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Question # 4
Which of the following is not a unit vector
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[1, 1, 1]
[0, 1, 0]
[0, 0, 1]
[1, 0, 0]
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Question # 5
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Question # 6
A vector with magnitude one is called
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constant vector
unit vector
zero vector
null vector
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Question # 7
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Question # 8
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Question # 9
The area of the rhombus whose vertices are A(0,0),B(2,1),C(3,3),D(1,2) is
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36 square units
3 square units
6 square units
18 square units
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Question # 10
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 # 11
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Question # 12
The magnitude of a vector can never be
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Zero
Negative
Positive
None of these
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Question # 13
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perpendicular vectors
concurrent vectors
parallel vectors
none of these
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Question # 14
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Question # 15
3j . k x i
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0
1
3
9
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Question # 16
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Question # 17
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1
0
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Question # 18
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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
The zero vector is
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[0, 0, 0]
[1, 1, 1]
[0, 1, 0]
[0, 0, 1]
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Question # 22
Which of the following is a scalar.
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electric field
magnetic field
weight
mass
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Question # 23
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 # 24
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direction ratios
direction cosines
direction angles
none of these
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Question # 25
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Question # 26
The position vector of a point (x, y) in xy plane is
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none of these
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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
Which of the following is a vector.
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energy
force
work
power
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Question # 31
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0
1
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