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By Chapter Chapter 7: Density and Temperature + Chapter 8: Magnetism

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1

What is density?

2

Which formula represents density?

3

What is the SI unit of density?

4

Which quantity is needed to calculate density?

5

Which instrument is commonly used to measure mass?

6

How is the volume of an irregular solid measured?

7

Which apparatus is used to measure volume of liquids?

8

Density of a substance depends on:

9

Which state of matter has a fixed shape?

10

Which state of matter has no fixed volume?

11

Which state of matter has particles very close together?

12

Which state of matter has the weakest intermolecular forces?

13

What is plasma?

14

Which is an example of plasma?

15

Particle model of matter explains:

16

According to particle model, particles of matter are:

17

What happens to particle motion when temperature increases?

18

Temperature is a measure of:

19

Which instrument is used to measure temperature?

20

Which scale is commonly used in laboratories?

21

Lower fixed point of a Celsius thermometer is:

22

Upper fixed point of a Celsius thermometer is:

23

Calibration of thermometer means:

24

Which liquid is commonly used in a liquid-in-glass thermometer?

25

Why is mercury suitable for thermometers?

26

Sensitivity of thermometer depends on:

27

Range of thermometer means:

28

Linearity of thermometer means:

29

Which property of a magnet causes it to attract iron?

30

Which are the two ends of a magnet called?

31

Like magnetic poles will:

32

Unlike magnetic poles will:

33

Which material can be magnetized easily?

34

Which of the following is a non-magnetic material?

35

Magnetism produced in an unmagnetized material is called:

36

Which magnet loses its magnetism easily?

37

Steel is commonly used to make permanent magnets because it:

38

Which material is suitable for making electromagnets?

39

The region around a magnet where magnetic force is felt is called:

40

Magnetic field lines always emerge from:

41

Magnetic field lines enter the magnet at:

42

Magnetic field lines never:

43

The closeness of magnetic field lines indicates:

44

Which device is used to detect the direction of magnetic field?

45

Iron filings are used to:

46

The magnetic field inside a magnet is directed from:

47

Which of the following is a use of permanent magnets?

48

An electromagnet works on the principle of:

49

The strength of an electromagnet can be increased by:

50

Which magnet can be switched ON and OFF?

51

Domain theory explains magnetism due to:

52

In an unmagnetized material, magnetic domains are:

53

Ferromagnetic materials are:

54

Which of the following is a ferromagnetic material?

55

Paramagnetic materials are:

56

Diamagnetic materials are:

57

Which of the following is diamagnetic?

58

The Earth behaves like:

59

The direction of Earth’s magnetic field is from:

60

A compass needle aligns itself along:

61

Which application uses magnetism in data storage?

62

Magnetic shielding is used to:

63

Which material is commonly used for magnetic shielding?

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