Multiple Choice Questions
1. The
resultant of two or more vectors is obtained by:
a) Joining
the tail of the first vector with the head of the last vector.
b) Joining
the head of the first vector with the tail of the last vector.
c) Joining
the tail of the last vector with the head of the first vector.
d) Joining
the head of the last vector with the tail of the first vector.
a) Another
vector
b) Centre of
the earth
c) Any point
in space
d) Origin of
the coordinate system
3. To
subtract a given vector from another, its _______ vector is added to
the other
one.
a) Double
b) Half
c) Negative
4. If a
vector is denoted by A then its x-components can be written as:
a)A sinθiˆ
b) A sinθ jˆ
c) A cosθiˆ
5. The sine
of an angle is positive in _______ quadrants.
a) First and
Second
b) Second
and fourth
c) First and third
d) Third and
fourth
6. The
cosine of an angle is negative in _______ quadrants.
a) Second and
fourth
b) Second
and third
c) First and
third
d) None of
the above
7. The
tangent of an angle is positive in _______ quadrants.
a) First and
last
b) First
only
c) Second and
fourth
d) First and
third
8. Scalar
product is obtained when:
a) A scalar is multiplied by a scalar
b) A scalar
is multiplied by vector
c) Two
vectors are multiplied to give a scalar
d) Sum of
two scalars is taken
9. The
scalar product of two vectors A and B is written as:
a) A´B
b) A.B
c) AxB
10. The magnitude
of product vector C i.e. AxB =C , is equal to the:
a) Sum of
the adjacent sides
b) Area of
the parallelogram
c) Product
of the four sides
