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Online Tests
Physics Fsc Part 1 Chapter 2 Online Test MCQs With Answers
Question # 1
When a vector is multiplied by a (-)ve number its direction
Choose an answer
Remains constant
Reversed
Change by 90°
None of these
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Question # 2
The direction of null vector can be
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(+) ve
(-) ve
Arbitrary
Zero
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Question # 3
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 # 4
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 # 5
The angle between x-axis, y-axis and z-axis is
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45°
60°
75°
90°
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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
The magnitude of A will be
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Zero
A
2
1
A
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Question # 8
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 # 9
The resultant of two forces 3 N and 4 N acting at right angle to each other is
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7 N
5 N
4 N
1 N
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Question # 10
The resultant of two forces 30 N and 40 N acting parallel to each other is.
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30 N
40 N
70 N
10 N
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Question # 11
Vectors have
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Numerical value
Directional
Both a and b
None of these
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Question # 12
Vector has both of its components are negative lies in
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1st quadrant
2nd quadrant
3rd quadrant
4th quadrant
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Question # 13
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 # 14
The force and torque are analogous to
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Velocity
Mass and weight
Moment of Inertia
Each other
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Question # 15
Direction of a vector in space requires
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Two axis
Three axis
Four axis
Both a and b
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Question # 16
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 # 17
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 # 18
A direction of torque is
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Along the position vector r
Perpendicular to both r and f
Along the direction of force F
Opposite to the direction of r
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Question # 19
If r = 5 m and f = 4 N are along same direction, them torque is
Choose an answer
20 Nm
5 Nm
10 Nm
Zero
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Question # 20
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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Question # 21
Maximum number of components of a vector may be
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Infinite
One
two
three
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Question # 22
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 # 23
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 # 24
The resultant of two vectors having magnitude 10 N and 8 N Can not be
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2 N
9 N
18 N
20 N
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