Question # 1

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0

2

3

1

A scalar quantity is one that possesses only :

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Magnitude

Direction

Both a and b

None of these

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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Free vector

Unit vector

Null vector

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

Two vectors are equal if they:

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Pass through the same point

Are parallel to each other

Are parallel to each other and have same direction

Have equal magnitude and have same direction

i.(j.k) =

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Meaningless

-1

1

2

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1

2

3

0

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90°

30°

60°

0°

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0

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28

29

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3

4

5

6

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

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0

2

1

4

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Scalar quantity

Reciprocal vector

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0

1

-1

2

Which are the following triples can be direction angles of a single vector:

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45°,45°,60°

30°,45°,60°

45°,60°,60°

30°,30°,30°

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0

1

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0

2

3

1

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60°

90°

30°

45°

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Unit vector

Null vector

Position vector

None of these

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