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ECAT Pre General Science Mathematics Chapter 24 Vectors Online Test MCQs With Answers
Question # 1
If |αi + (α+1)j +2k| =3 then value of α is
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1,2
-1,-2
1,-2
-1,2
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Question # 2
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perpendicular vectors
concurrent vectors
parallel vectors
none of these
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Question # 3
If C is the mid point of AB and P is any point outside AB, then
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Question # 4
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Question # 5
For two vector a and b, a+b = _______
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a b
b+a
b-a
None
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Question # 6
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 # 7
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none of these
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Question # 8
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Question # 9
The position vector of any point in space is
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Question # 10
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Question # 11
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Question # 12
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0
1
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Question # 13
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Question # 14
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perpendicular vectors
parallel vectors
concurrent vectors
none of these
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Question # 15
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Question # 16
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0
1
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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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Question # 21
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1
0
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Question # 22
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none of these
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Question # 23
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none of these
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Question # 24
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parallel vectors
perpendicular vectors
concurrent vectors
collinear vectors
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Question # 25
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Question # 26
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[0, 0, 0]
[1, 0, 0]
[0, 1, 0]
[0, 0, 1]
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Question # 27
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Question # 28
If a2 = b2 then
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a = b
a+b= 1
|a+b| =0
None
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Question # 29
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0
90°
180°
360°
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Question # 30
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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