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Online Tests
ECAT Pre General Science Mathematics Chapter 24 Vectors Online Test MCQs With Answers
Question # 1
If the angle between two vectors with magnitude 6 and 2 is 60° when their scalar product is
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12
6
3
0
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Question # 2
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none of these
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Question # 3
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Question # 4
The position vector of the point P(a, b, c) is
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Question # 5
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 # 6
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Question # 7
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none of these
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Question # 8
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Question # 9
If Projvu = Projuv, then
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Uand vare parallel
|u|=|v|
Uandvre perpendicular
One ofuorv
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Question # 10
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[0, 0, 0]
[1, 0, 0]
[0, 1, 0]
[0, 0, 1]
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Question # 11
If |a x b|2 + (a,b)2 = _____
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|a|2 + |b|2
|a|2- |b|2
|a|2|b|2
None
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Question # 12
[i,j,k]
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0
2
1
-2
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Question # 13
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Question # 14
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Question # 15
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none of these
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Question # 16
The unit vector along x-axis is
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none of these
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Question # 17
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Question # 18
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[0, 0, 0]
[1, 0, 0]
[0, 1, 0]
[0, 0, 1]
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Question # 19
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none of these
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Question # 20
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none of these
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Question # 21
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Question # 22
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Question # 23
Which of the following is a vector.
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work
time
density
electric field
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Question # 24
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Question # 25
Which of the following is a vector.
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energy
force
work
power
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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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A,. B, C are coincident
A, B, C are collinear
Both A and B
None of these
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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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perpendicular vectors
parallel vectors
concurrent vectors
none of these
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Question # 30
Which of the following is a vector
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length
momentum
volume
speed
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