More Classes
5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject
Other Links
Go to Home
Online Tests
ECAT Pre General Science Mathematics Chapter 24 Vectors Online Test MCQs With Answers
Question # 1
A vector with magnitude one is called
Choose an answer
constant vector
unit vector
zero vector
null vector
Previous
Skip
Next
Question # 2
If a,b c are sides of a triangle taken in order then a x b =
Choose an answer
b x c
b x a
cxa
Both a & b
Previous
Skip
Next
Question # 3
Choose an answer
none of these
Previous
Skip
Next
Question # 4
Which of the following represents a vector
Choose an answer
(x, y)
Previous
Skip
Next
Question # 5
[i,j,k]
Choose an answer
0
2
1
-2
Previous
Skip
Next
Question # 6
The zero vector is
Choose an answer
[0, 0, 0]
[1, 1, 1]
[0, 1, 0]
[0, 0, 1]
Previous
Skip
Next
Question # 7
Which of the following is a vector.
Choose an answer
distance
temperature
energy
acceleration
Previous
Skip
Next
Question # 8
Choose an answer
Previous
Skip
Next
Question # 9
If the angle between two vectors with magnitude 6 and 2 is 60° when their scalar product is
Choose an answer
12
6
3
0
Previous
Skip
Next
Question # 10
Choose an answer
Previous
Skip
Next
Question # 11
Choose an answer
Previous
Skip
Next
Question # 12
Choose an answer
12
6
8
none of these
Previous
Skip
Next
Question # 13
Choose an answer
direction ratios
direction cosines
direction angles
none of these
Previous
Skip
Next
Question # 14
Choose an answer
a
1
+ a
2
a
2
1
+ a
2
2
Previous
Skip
Next
Question # 15
Choose an answer
l
2
+ m
2
+ n
2
= 0
l
2
- m
2
+ n
2
= 1
l
2
+ m
2
+ n
2
= 1
l
2
+ m
2
- n
2
= 0
Previous
Skip
Next
Question # 16
Which of the following is a scalar.
Choose an answer
force
frequency
weight
acceleration
Previous
Skip
Next
Question # 17
If C is the mid point of AB and P is any point outside AB, then
Choose an answer
Previous
Skip
Next
Question # 18
Choose an answer
none of these
Previous
Skip
Next
Question # 19
3j . k x i
Choose an answer
0
1
3
9
Previous
Skip
Next
Question # 20
Choose an answer
none of these
Previous
Skip
Next
Question # 21
Choose an answer
none of these
Previous
Skip
Next
Question # 22
Choose an answer
none of these
Previous
Skip
Next
Question # 23
Choose an answer
perpendicular vectors
concurrent vectors
parallel vectors
none of these
Previous
Skip
Next
Question # 24
Choose an answer
Previous
Skip
Next
Question # 25
The physical quantity which can be specified by a number alongwith unit is called a
Choose an answer
scalar
vector
constant
none of these
Previous
Skip
Next
Question # 26
Which of the following does not represent absolute value of a vector
Choose an answer
magnitude
length
norm
number
Previous
Skip
Next
Question # 27
Choose an answer
Previous
Skip
Next
Question # 28
Choose an answer
parallel vectors
perpendicular vectors
concurrent vectors
collinear vectors
Previous
Skip
Next
Question # 29
For two vector a and b, a+b = _______
Choose an answer
a b
b+a
b-a
None
Previous
Skip
Next
Question # 30
Choose an answer
[0, 0, 0]
[1, 0, 0]
[0, 1, 0]
[0, 0, 1]
Previous
Skip
Next
Question # 31
The direction cosines of y-axis are
Choose an answer
1, 0, 0
0, 1, 0
0, 0, 1
1, 1, 1
Previous
Skip
Next
Back
