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ECAT Mathematics Chapter 24 Vectors Online Test MCQs With Answers
Question # 1
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Free vector
Null vector
Unit vector
None of these
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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
Which of the following is a scalar
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weight
force
speed
momentum
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Question # 5
Which of the following us a scalar
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displacement
velocity
acceleration
density
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Question # 6
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none of these
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Question # 7
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Question # 8
A vector with magnitude one is called
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constant vector
unit vector
zero vector
null vector
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Question # 9
Which of the vectors have opposite direction?
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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
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l
2
+ m
2
+ n
2
= 0
l
2
- m
2
+ n
2
= 1
l
2
+ m
2
+ n
2
= 1
l
2
+ m
2
- n
2
= 0
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Question # 12
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0
1
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Question # 13
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 # 14
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Question # 15
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 # 16
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Question # 17
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1
0
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Question # 18
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0
1
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Question # 19
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Question # 20
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0
1
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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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none of these
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Question # 23
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Question # 24
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Question # 25
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Question # 26
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Question # 27
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Question # 28
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Question # 29
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 # 30
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Question # 31
Which of the following is a scalar.
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force
frequency
weight
acceleration
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