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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
The magnitude of vector a=i-3j+5k is:
Question # 2
If a = [1,4,3] and B= [2,-1,5] athen the mid point M of AB is:
Question # 3
If the sum of two unit vectors is a unit vector the the magnitude of their difference is
Question # 4
If a = 2i +2j, b= 3i -j and c=4i +5j, the 3b -a-2c =
Question # 5
O (0,0)is called:
Question # 6
If a=5j + 2j,b=2i -3j, then|a+2b|=
Question # 7
Vector additon is:
Question # 8
If u =[3,-4],then modulus of uis:
Question # 9
The positive real number which is the measure of the length of a vector is called the
Question # 10
a ______quantity is one that possesses both magnitude and direction.
Top Scorers Of ECAT (Pre-Eng) Mathematics MCQ's Test For Chapter 23 MCQ`s Test
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H Huzaifa Asim 01 - Jun - 2024 00 Min 34 Sec 10/10 -
U Unknown 06 - Jun - 2024 01 Min 05 Sec 10/10 -
V Viral Edits 25 - May - 2024 01 Min 26 Sec 10/10 -
M Muhammad 31 - May - 2024 00 Min 29 Sec 9/10 -
A Ahsan Jutt 16 - May - 2024 00 Min 45 Sec 9/10 -
M Muhammad Mubin 31 - May - 2024 01 Min 02 Sec 9/10 -
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M Muhammad Haseeb 18 - Nov - 2024 02 Min 41 Sec 9/10 -
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T Talha Khan 02 - Jun - 2024 02 Min 47 Sec 7/10 -
M Maham Dar 11 - Mar - 2024 06 Min 40 Sec 7/10
ECAT Mathematics Chapter 23 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The magnitude of vector a 2i-7j is |
A. √23
B. √43
C. 3
D. √53
|
| 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 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
|
| 4 | If a = 2i +2j, b= 3i -j and c=4i +5j, the 3b -a-2c = |
A. -i -15j
B. i-15j
C. i-3j
D. None of these
|
| 5 | If a=5j + 2j,b=2i -3j, then|a+2b|= |
A. √21
B. √97
C. √39
D. None of these
|
| 6 | If|a| =|b|=|a + b|=1, then|a+ b| = 5, then|a-b| = |
A. 4
B. 6
C. 5
D. 3
|
| 7 | The angle between the vectors u =2i - i + k and v = -i + i is: |
A. 3π/2
B. 2π/3
C. 5π/6
D. π/3
|
| 8 | 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
|
| 9 | If a = [1,4,3] and B= [2,-1,5] athen the mid point M of AB is: |
A. [1,1,1.5]
B. [2,2,1.5]
C. [1.5,1.5,4]
D. None of these
|
| 10 | If m and n be two scalars, then (m+n) g = |
A. 0
B. m+n
C. m▁a+n▁a
D. ma - m▁a
|
Test Questions