Live Education Quiz

1

Magnetic field lines never:

A Intersect each other B Form closed loops C Exist outside magnet D Exist inside magnet

2

Which material is suitable for making electromagnets?

A Steel B Aluminum C Soft iron D Copper

3

Which of the following is diamagnetic?

A Iron B Nickel C Copper D Cobalt

4

Which magnet loses its magnetism easily?

A Permanent magnet B Temporary magnet C Bar magnet D Earth magnet

5

What happens to particle motion when temperature increases?

A It stops B It decreases C It increases D It remains same

6

What is density?

A Mass multiplied by volume B Volume divided by mass C Mass per unit volume D Weight per unit volume

7

Sensitivity of thermometer depends on:

A Length of stem B Thickness of bulb C Volume of bulb and capillary D Color of liquid

8

The magnetic field inside a magnet is directed from:

A North to South B South to North C East to West D West to East

9

Temperature is a measure of:

A Mass B Density C Average kinetic energy of particles D Volume

10

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

A Water B Alcohol C Mercury D Oil

11

Magnetic field lines always emerge from:

A South pole B Center of magnet C North pole D All sides equally

12

The closeness of magnetic field lines indicates:

A Direction of field B Strength of field C Type of magnet D Mass of magnet

13

The direction of Earth’s magnetic field is from:

A Geographic North to South B Geographic South to North C East to West D West to East

14

Which magnet can be switched ON and OFF?

A Bar magnet B Permanent magnet C Electromagnet D Natural magnet

15

What is the SI unit of density?

A kg B m³ C kg/m³ D g/cm³

16

Diamagnetic materials are:

A Strongly attracted B Weakly attracted C Weakly repelled D Strongly magnetized

17

Which material can be magnetized easily?

A Copper B Plastic C Iron D Wood

18

Which state of matter has particles very close together?

A Gas B Liquid C Solid D Plasma

19

Which scale is commonly used in laboratories?

A Kelvin B Celsius C Fahrenheit D Rankine

20

Density of a substance depends on:

A Its shape B Its size C Its mass and volume D Its color

21

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

A Ammeter B Voltmeter C Compass D Thermometer

22

Which of the following is a ferromagnetic material?

A Copper B Iron C Silver D Glass

23

Which application uses magnetism in data storage?

A LCD screen B Hard disk C Calculator D Solar panel

24

A compass needle aligns itself along:

A Electric field B Earth’s magnetic field C Gravitational field D Solar radiation

25

Which is an example of plasma?

A Ice B Steam C Sun D Water

26

Magnetism produced in an unmagnetized material is called:

A Permanent magnetism B Residual magnetism C Induced magnetism D Electric magnetism

27

Magnetic shielding is used to:

A Increase magnetic field B Reduce unwanted magnetic fields C Create electricity D Store data

28

Paramagnetic materials are:

A Strongly repelled B Strongly attracted C Weakly attracted D Not affected

29

Which formula represents density?

A Density = Volume / Mass B Density = Mass × Volume C Density = Mass / Volume D Density = Weight / Volume

30

Like magnetic poles will:

A Attract each other B Repel each other C Disappear D Become neutral

Chapter 7: Density and Temperature + Chapter 8: Magnetism