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MCQ's Test For ECAT (Pre-Eng) Mathematics MCQ's Test For Chapter 23
Try The MCQ's Test For ECAT (Pre-Eng) Mathematics MCQ's Test For Chapter 23
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Total Questions10
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Time Allowed10
ECAT (Pre-Eng) Mathematics MCQ's Test For Chapter 23
00:00
Question # 1
a ______quantity is one that possesses both magnitude and direction.
Question # 2
If a = [1,4,3] and B= [2,-1,5] athen the mid point M of AB is:
Question # 3
If u = 2ai + i - k and v = i +ai + 4k are perpendicular then a =
Question # 4
Vector i =
Question # 5
If u = xi + yj, then|u|
Question # 6
If u =2i +pi + 5k and v = 3i + i +pk are perpendicular , then p=
Question # 7
If a≠ , b≠ 0 and|a=b|=|a-b|,then vectors a and b are:
Question # 8
The modulus of 12-5i is:
Question # 9
The magnitude of vector a=i-3j+5k is:
Question # 10
The modulus of a vector i-i+ k is:
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ECAT Class Mathematics Chapter 23 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The modulus of a vector i-i+ k is: |
A. √3
B. 1
C. √2
D. ∞
|
| 2 | If the sum of two unit vectors is a unit vector the the magnitude of their difference is |
A. √2
B. √3
C. 1
D. None of these
|
| 3 | If a=5j + 2j,b=2i -3j, then|a+2b|= |
A. √21
B. √97
C. √39
D. None of these
|
| 4 | If|a| =|b|=|a + b|=1, then|a+ b| = 5, then|a-b| = |
A. 4
B. 6
C. 5
D. 3
|
| 5 | If the angle between two vectors u and v is 0 orπ, then the vectors u and v are: |
A. Orthogonal
B. Collinear
C. Perpendicular
D. None of these
|
| 6 | If a,b = 0 then |
A. a |b
B. a||b
C. a = b
D. None
|
| 7 | Vector i = |
A. [1,0]
B. [0,1,0]
C. [0,0,1]
D. None of these
|
| 8 | If|a| =|b| = |a+b|=1, then|a-b| is equal to: |
A. 1
B. √3
C. √2
D. 7
|
| 9 | The vector k = [0,0,1] is called unit vector along: |
A. x -axis
B. y - axis
C. z- axis
D. None of these
|
| 10 | The vector i = [1,0] is called unit vector along: |
A. x-axis
B. y - axis
C. z- axis
D. Botha a and y-axis
|
Test Questions
