Physics XI Chapter 2 Scalars & Vectors
According to the syllabus of Board of Intermediate Education Karachi
1.
Scalars are those physical quantities which can be represented by:
a) A number with proper units
b) By a number
c) Only by proper units
d) By an arrow
2.
Which of the following quantity is a Vector:
a) Acceleration
b) Mass
c) Volume
d) Time
3.
A vector which has one magnitude is called as:
a) Unit Vector
b) Position vector
c) Null Vector
d) Free vector
4.
A unit vector is obtained by dividing the vector by its:
a) Magnitude without direction
b) Magnitude with direction
c) Any scalar quantity
d) Any vector quantity
5.
When a vector is multiplied by a negative number its direction:
a) Change by 180
°
b) Not change
c) Becomes parallel
d) Becomes vertical
6.
Two forces of magnitude 5N and 15N are applied on a body in the same direction, the maximum value of their resultant will be:
a) 20 N
b) 10 N
c) 3 N
d) 0.333 N
7.
The scalar product of two vectors is zero, it means:
a) Both vectors are perpendicular to each other
b) Parallel to each other
c) Opposite in direction to each other
d) Both are equal vectors
8.
Two forces of magnitude 3 N and 4 N are acting on a body, both forces are at right angle to each other their resultant will be:
a) 5 N
b) 8 N
c) 2 N
d) Zero
9.
The self cross product can be obtained at an angle of:
a) 45
°
b) 0
°
c) 90
°
d) 180
°
10.
If a force 10 N makes an angle 30
°
with the horizontal, its X-component will be is given by:
a) 8.66N
b) 5 N
c) 8.9N
d) 0.899N
This is the feedback!
Back to Top
www.tec.edu.pk
info@tec.edu.pk
