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Online Tests

ECAT Mathematics Chapter 24 Vectors Online Test MCQs With Answers

Question # 1

Which of the following is a scalar.

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force

frequency

weight

acceleration

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Question # 2

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Question # 3

If the angle between two vectors with magnitude 2 and 15 is 30°then their scalar product is

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15

30

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Question # 4

The physical quantity which possesses both magnitude and direction is called a

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scalar

vector

constant

none of these

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Question # 5

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parallel vectors

perpendicular vectors

concurrent vectors

collinear vectors

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Question # 6

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direction ratios

direction cosines

direction angles

none of these

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Question # 7

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Question # 8

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none of these

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Question # 9

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[0, 0, 0]

[1, 0, 0]

[0, 1, 0]

[0, 0, 1]

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Question # 10

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none of these

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Question # 11

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none of these

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Question # 12

Which of the following is a vector.

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work

time

density

electric field

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Question # 13

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none of these

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Question # 14

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Question # 15

Which of the following is a scalar

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weight

force

speed

momentum

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Question # 16

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Question # 17

The unit vector along y-axis is

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none of these

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Question # 18

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Question # 19

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Question # 20

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Question # 21

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Question # 22

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none of these

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Question # 23

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perpendicular vectors

parallel vectors

concurrent vectors

none of these

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Question # 24

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none of these

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Question # 25

If the angle between two vectors with magnitude 6 and 2 is 60° when their scalar product is

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12

6

3

0

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Question # 26

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none of these

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Question # 27

If Projvu = Projuv, then

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Uand vare parallel

|u|=|v|

Uandvre perpendicular

One ofuorv

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Question # 28

The angle between the vectors 3i + j - k and 2i - j + k is

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Question # 29

If a +b +c =0 then which of the following is true

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a =b =c =0

a,b =b,c =c,a

a xb=b xc =c xa

None

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Question # 30

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0

90°

180°

360°

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Question # 31

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