Scalars and Tensors MCQs with Answers

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Scalars and Tensors Online Quiz

By presenting 3 options to choose from, Scalars and Tensors Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Scalars and Tensors Questions and Answers and click over the correct answer.

• Test Name: Scalars and Tensors MCQ Quiz Practice
• Type: Quiz Test
• Total Questions: 40
• Total Marks: 40
• Time: 40 minutes

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Scalars and Tensors

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1 / 40

What is a vector?

A physical quantity with only magnitude

A physical quantity with both magnitude and direction

A physical quantity with only direction

2 / 40

What is the displacement if an object moves 5 meters east and then 3 meters west?

8 meters west

2 meters west

2 meters east

3 / 40

What is the result when a tensor is multiplied by a tensor?

A tensor

A vector

A scalar

4 / 40

What is the displacement if an object moves 5 meters north and then 3 meters south?

2 meters south

8 meters south

2 meters north

5 / 40

What is the number of components in a rank-1 tensor in 3D space?

9

6

3

6 / 40

What is the speed of an object if it covers 100 meters in 20 seconds?

100 meters per second

5 meters per second

20 meters per second

7 / 40

What is the momentum of an object with a mass of 10 kg and a velocity of 5 m/s?

50 kg·m/s

15 kg·m/s

2 m/s²

8 / 40

What is the result when a scalar is multiplied by a scalar?

A tensor

A vector

A scalar

9 / 40

What is the direction of the resultant vector if two vectors are added together and their magnitudes are equal?

Same as the original vectors

Opposite to the original vectors

Perpendicular to the original vectors

10 / 40

What is the number of components in a rank-2 tensor in 3D space?

6

9

3

11 / 40

Which of the following is an example of a tensor quantity?

Stress

Speed

Mass

12 / 40

Which of the following is an example of a scalar quantity?

Displacement

Force

Temperature

13 / 40

What is the acceleration of an object if its velocity changes from 10 m/s east to 20 m/s west in 5 seconds?

-10 m/s²

-2 m/s²

4 m/s²

14 / 40

What is the magnitude of a vector with components (3, 4, 5)?

5 units

3 units

7.071 units

15 / 40

What is the direction of a vector with components (3, 4, 5)?

Along the positive y-axis

Along the positive z-axis

Along the positive x-axis

16 / 40

What is the result when a vector is multiplied by a tensor?

A tensor

A vector

A scalar

17 / 40

What is the number of components in a rank-0 tensor in 3D space?

3

9

1

18 / 40

What is a scalar?

A physical quantity with only magnitude

A mathematical object representing physical quantities

A physical quantity with both magnitude and direction

19 / 40

What is the result when a vector is multiplied by a vector?

A scalar

A vector

A tensor

20 / 40

What is the net force acting on an object if two forces of 5 N and 7 N act perpendicular to each other?

2 N

35 N

8.60 N

21 / 40

What is the result when a scalar is multiplied by a vector?

A vector

A scalar

A tensor

22 / 40

Which of the following is a scalar quantity?

Velocity

Force

Time

23 / 40

What is the acceleration of an object if its velocity changes from 10 m/s to 20 m/s in 5 seconds?

10 m/s²

4 m/s²

2 m/s²

24 / 40

What is the magnitude of a vector with components (-3, -4, -5)?

5 units

3 units

7.071 units

25 / 40

Which of the following is a tensor of rank 2?

Speed tensor

Stress tensor

Force tensor

26 / 40

What is the resultant displacement if two displacements of 3 meters and 4 meters are in the same direction?

7 meters

1 meter

12 meters

27 / 40

What type of quantity is temperature?

Tensor

Vector

Scalar

28 / 40

What is the dimensionality of a tensor quantity?

2 or more

1

29 / 40

What is the velocity of an object if it covers 100 meters in 20 seconds westward?

100 meters per second westward

5 meters per second westward

20 meters per second eastward

30 / 40

What is the direction of a vector with components (-3, -4, -5)?

Along the negative y-axis

Along the negative z-axis

Along the negative x-axis

31 / 40

What is the net force acting on an object if two forces of 5 N and 7 N act in the same direction?

35 N

2 N

12 N

32 / 40

What is the result when a scalar is multiplied by a tensor?

A scalar

A tensor

A vector

33 / 40

What does a scalar quantity represent?

Direction

Magnitude

Both magnitude and direction

34 / 40

Which of the following is a tensor quantity?

Mass

Stress

Speed

35 / 40

What is the net force acting on an object if two forces of 5 N and 7 N act in opposite directions?

2 N

12 N

35 N

36 / 40

What is a tensor?

A mathematical object representing physical quantities

A physical quantity with both magnitude and direction

A physical quantity with only magnitude

37 / 40

What is the dimensionality of a vector quantity?

2

3

1

38 / 40

What is the resultant displacement if two displacements of 3 meters and 4 meters are in opposite directions?

1 meter

12 meters

7 meters

39 / 40

What is the magnitude of a scalar called?

Tensor

Scalar

Vector

40 / 40

What is the dimensionality of a scalar quantity?

1

2

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