Question # 1

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3

4

5

6

A null vector is defined as a vector whose magnitude is:

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1

2

0

None of these

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0

2

3

1

Zero vector is perpendicular to:

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Every vector

Unit vector only

Position vector only

Not any vector

The cross product or vector product of two vectors is defined:

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Only in plane

Only in space

Both a and b

None of these

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0

1

-1

2

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0

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0

1

-1

2

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Volume of the tetrahedron

Volume of the parallelepiped

Volume of the triangle

None of these

If any two vectors of scalar triple product are equal, then its value is equal to:

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0

1

-1

2

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

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30°

45°

60°

90°

The law of parallelogram of addition was used by Aristotle to describe the combined action of :

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One force

Two forces

Three forces

Four forces

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2 - 7

2 + 7

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Unit Vector

Null vector

Position vector

None of these

Which of the following is not a vector quantity ?

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Weight

Mass

Force

Velocity

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28

29

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x - axis

z - axis

y - axis

None of these

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0

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90°

30°

60°

0°

A unit vector is defined as a vector whose magnitude is:

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0

2

1

4

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FA Part 2 Mathematics Chapter 7 Test Online MCQs With Answers

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