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Online Tests
Physics Fsc Part 1 Chapter 1 Online Test MCQs With Answers
Question # 1
The subtraction of a vector is equivalent to the addition with
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Same direction
Perpendicular direction
Reversed direction
All of these
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Question # 2
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Question # 3
The sum of two or more vectors will be a single vector called
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Component vector
Position vector
-ve vector
Resultant vector
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Question # 4
Minimum number of unequal forces whose vector sum can be zero are.
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5
4
3
2
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Question # 5
The dot product of two vectors A and B will be zero, if angle between A and B is
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Zero
30
o
90
o
180
o
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Question # 6
Which is the example of vector quantity
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Torque
Speed
Density
Work
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Question # 7
What would encourage trade between two countries
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Different tax system
Frontier checks
National currencies
reduced tariffs
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Question # 8
Usually the x-axis is taken as
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Vertical axis
Horizontal axis
+ve axis
-ve axis
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Question # 9
Head to tail rule is used for
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Addition of vectors
Subtraction of vectors
Multiplication of vectors
Division of vectors
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Question # 10
A force of 100 N makes an angle of 60o with Y- Axis, its horizontal component is.
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50 N
60 N
70.7 N
86.6 N
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Question # 11
The resultant of two forces 3N and 4 N acting at right angle to each other is.
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5 N
6 N
1 N
7 N
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Question # 12
Name the quantity which is a vector.
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Speed
Force
Temperature
Density
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Question # 13
If r = 5 m and f = 4 N are along same direction, them torque is
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20 Nm
5 Nm
10 Nm
Zero
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Question # 14
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Unit vector
+ve of a vector
Resultant vector
-ve of a vector
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Question # 15
Dot product of vector with itself is.
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Zero
2 A
A
2
A
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Question # 16
A vector is denoted by
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Light face
Bold face
Both a and b
None of these
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Question # 17
A force of 10N makes an angle 30o with y axis. Then magnitude of x -component is.
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5 N
8.66 N
10 N
Zero
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Question # 18
Two vector can be added by simple arithmetical method when they are at an angle of.
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120
o
90
o
0
o
45
o
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Question # 19
The resultant of two vectors having magnitude 12 N and 8 N can not be
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2 N
20 N
10 N
16 N
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Question # 20
The angle between x-axis, y-axis and z-axis is
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45°
60°
75°
90°
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Question # 21
If a vector of magnitude 10 N along y-axis then its component along x-axis is
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0 N
5 N
8.66 N
10 N
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Question # 22
The components of a vector which are perpendicular to each other are called
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Horizontal components
Vertical components
Rectangular components
All of these
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Question # 23
The direction of vector in space is specified by
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1- angle
2- angle
3- angle
4 - angle
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Question # 24
Dot product of two non zero vectors is zero it angle between them is.
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30
o
60
o
45
o
90
o
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