Question # 1

Choose an answer

none of these

If a2 = b2 then

Choose an answer

a = b

a+b= 1

|a+b| =0

None

The area of the rhombus whose vertices are A(0,0),B(2,1),C(3,3),D(1,2) is

Choose an answer

36 square units

3 square units

6 square units

18 square units

Choose an answer

Which of the following is a vector.

Choose an answer

distance

temperature

energy

acceleration

Choose an answer

A vector of magnitude zero is called

Choose an answer

Position vector

Null vector

Free vector

None of these

Choose an answer

Free vector

Null vector

Unit vector

None of these

Which of the following represents a vector

Choose an answer

(x, y)

Which of the following is a vector

Choose an answer

length

momentum

volume

speed

The physical quantity which can be specified by a number alongwith unit is called a

Choose an answer

scalar

vector

constant

none of these

Which of the following is a scalar.

Choose an answer

electric field

magnetic field

weight

mass

If a,b,c are unit vectors then |a + b|2 +|a - b|2

Choose an answer

4

8ab

9cos

4(a,b)

The null vector is regarded to be perpendicular to

Choose an answer

Every vector

In some cases

Both a b

None

Choose an answer

If 2 and 2 are x and y components of vector then its angle with x-axis is

Choose an answer

30°

45°

60°

90°

Choose an answer

0

90°

180°

360°

Choose an answer

1

0

Choose an answer

parallel vectors

perpendicular vectors

concurrent vectors

collinear vectors

3j . k x i

Choose an answer

0

1

3

9

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

The position vector of the point P(a, b, c) is

Choose an answer

direction ratios

direction cosines

direction angles

none of these

Which of the vectors have opposite direction?

Choose an answer

The unit vector along x-axis is

Choose an answer

none of these

If |a x b|2 + (a,b)2 = _____

Choose an answer

|a|2 + |b|2

|a|2- |b|2

|a|2|b|2

None

A vector with magnitude one is called

Choose an answer

constant vector

unit vector

zero vector

null vector

Which of the following is a vector.

Choose an answer

work

time

density

electric field

If uv= Projuv then

Choose an answer

Uandvare parallel

vis a unit vector

Uis a unit vector

Both b and c

Unit vector in the positive direction of x-axis is

More Classes

Other Links

ECAT Mathematics Chapter 24 Vectors Online Test MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer