Selina solutions for Concise Physics Class 6 ICSE chapter 6 - Magnetism [Latest edition]

Chapter 6: Magnetism

Objective questions

Selina solutions for Concise Physics Class 6 ICSE Chapter 6 Magnetism Objective questions

Objective questions | Q 1.1

Write true or false of the following statement.

Artificial magnets are weaker than the natural magnets.

• True

• False

Objective questions | Q 1.2

Write true or false of the following statement.

Poles of a magnet cannot be separated.

• True

• False

Objective questions | Q 1.3

Write true or false of the following statement.

A magnet can attract only a magnetic substance.

• True

• False

Objective questions | Q 1.4

Write true or false of the following statement.

A magnet has no effect when it is heated to a high temperature.

• True

• False

Objective questions | Q 1.5

Write true or false of the following statement.

Permanent magnets get easily demagnetised.

• True

• False

Objective questions | Q 1.6

Write true or false of the following statement.

Magnetic poles occur in pairs.

• True

• False

Objective questions | Q 1.7

Write true or false of the following statement.

Single touch method is better than the electrical method for making a magnet.

• True

• False

Objective questions | Q 1.8

Write true or false of the following statement.

Magnetic keeper is a wooden piece.

• True

• False

Objective questions | Q 1.9

Write true or false of the following statement.

Copper cannot be magnetised.

• True

• False

Objective questions | Q 2.1

Fill in the blank.

Temporary magnets are usually made up of .................

Objective questions | Q 2.2

Fill in the blank.

Rough handling destroys the .............. properties of a magnet.

Objective questions | Q 2.3

Fill in the blank.

Like poles ..................... each other.

Objective questions | Q 2.4

Fill in the blank.

A freely suspended magnet points in the ......................... direction.

Objective questions | Q 2.5

Fill in the blank.

In a magnet, ............ have the maximum attractive property.

Objective questions | Q 2.6

Fill in the blank.

A magnet has ............. poles.

Objective questions | Q 3

Match the following

 Column A Column B A) Steel 1) to store magnets B) Soft iron 2) temporary magnet C) Use in electric bell 3) permanent magnet D) Magnetic keepers 4) electromagnet
Objective questions | Q 4.1

If we suspend a magnet freely, it will settle in.

• east-west direction

• north-south direction

• north-east direction

• east-south direction

Objective questions | Q 4.2

Making a magnetic substance a magnet by bringing it closer to another magnet without touching it, is

• magnetic induction method

• single touch method

• double touch method

• electrical method

Objective questions | Q 4.3

An example of natural magnet is

• iron

• steel

• lodestone

• none of the above

Objective questions | Q 4.4

The artificial magnet used to detect direction in the laboratory is

• U-shaped magnet

• horseshoe magnet

• electromagnet

• magnetic compass

Selina solutions for Concise Physics Class 6 ICSE Chapter 6 Magnetism Short/Long Answer Questions

Short/Long Answer Questions | Q 1

What is a magnet?

Short/Long Answer Questions | Q 2

What are magnetic and non-magnetic substances? Give two examples of each.

Short/Long Answer Questions | Q 3

What are natural and artificial-magnets?

Short/Long Answer Questions | Q 4

How is an artificial magnet prepared from a natural magnet?

Short/Long Answer Questions | Q 5

State two ways of magnetising an iron piece?

Short/Long Answer Questions | Q 6

How can magnetic properties of a magnet be destroyed?

Short/Long Answer Questions | Q 7

Why docs a freely suspended magnet always rest in north-south direction?

Short/Long Answer Questions | Q 8

Draw diagrams of the artificial magnets of four different shapes?

Short/Long Answer Questions | Q 9

Why are the artificial magnets preferred over the natural magnets?

Short/Long Answer Questions | Q 10

Describe an experiment to show that the maximum attractive property is at the poles of a magnet?

Short/Long Answer Questions | Q 11

State four important properties of a bar magnet?

Short/Long Answer Questions | Q 12

Explain the attractive property of a magnet with the help of an experiment.

Short/Long Answer Questions | Q 13

Describe the method by which an iron bar can be made a magnet.

Short/Long Answer Questions | Q 14

How are the magnets kept safely? What is the role of keepers in storing the magnets?

Short/Long Answer Questions | Q 15

Define the term magnetic field of a magnet. How will you recognize it experimentally?

Short/Long Answer Questions | Q 16

How will you make an iron bar electromagnet? Draw a diagram showing the polarities of the electromagnet?

Short/Long Answer Questions | Q 17

State two ways of increasing the strength of an electromagnet

Short/Long Answer Questions | Q 18

Suppose you are given a long bar magnet and you are asked to break it into four small magnets. Draw diagrams showing the polarities of each broken part.

Short/Long Answer Questions | Q 19

State three important uses of a magnet.

Short/Long Answer Questions | Q 20

What is the magnetic induction? Explain with the help of a diagram.

Short/Long Answer Questions | Q 21

In which direction does a suspended bar magnet come to rest? Give reason.

Short/Long Answer Questions | Q 22

State three differences between the temporary and permanent magnets.

Short/Long Answer Questions | Q 23

State three ways of demagnetising a magnet.

Short/Long Answer Questions | Q 24

Suggest one way to recognize the magnetic field of the earth.

Short/Long Answer Questions | Q 25

Name the material of the core of an electromagnet for

1. temporary magnet
2. permanent magnet.
Short/Long Answer Questions | Q 26

You are given an iron nail, a torch cell, and a long piece of insulated copper wire. With the help of a labelled neat diagram, describe in steps how you will make the nail, an electromagnet.

Short/Long Answer Questions | Q 27

Describe an experiment to illustrate that like poles repel while the, unlike poles, attract.

Short/Long Answer Questions | Q 28

What are magnetic keepers? Name its material.

Short/Long Answer Questions | Q 29

How are the north and south poles of a magnet located? Explain.

Selina solutions for Concise Physics Class 6 ICSE Chapter 6 Magnetism Additional questions

What are magnetic substances?

What are artificial magnets?

Why is it not possible to isolate a single magnetic pole?

Can you bring two similar poles of two different magnetic close together easily? Why?

What is meant by the directional property of magnets?

Exercises

Selina solutions for Concise Physics Class 6 ICSE Chapter 6 Magnetism Exercises

Exercises | Q 1

• soft iron

• steel

• stainless steel

• copper

Exercises | Q 2

The surest test of magnetism is

• attraction

• repulsion

• diffusion

• hammering

Exercises | Q 3

Which of the following methods is used to magnetize a magnetic without touching it by a magnet?

• Single-touch

• Double-touch

• Using electric current

• None of these

Exercises | Q 4

The region around a magnet where its magnetic force can be experienced is called

• magnetic axis

• magnetic equator

• magnetic field

• magnetic poles

Exercises | Q 5

A permanent magnet can be demagnetized by

• hammering

• heating

• rough handling

• all of these.

Exercises

Selina solutions for Concise Physics Class 6 ICSE Chapter 6 Magnetism Exercises

Exercises | Q 1

Fill in the blank.

A freely suspended magnet always comes to rest in the ................. direction.

Exercises | Q 2

Fill in the blank.

Permanent magnets are generally made of steel, cobalt, nickel, or an alloy called ...............

Exercises | Q 3

Fill in the blank.

The perpendicular bisector of the line joining the two poles of a magnet is called ...................

Exercises | Q 4

Fill in the blank.

The north pole of the imaginary magnet of the earth is near the geographic ................. pole.

Exercises | Q 5

Fill in the blank.

Magnetic poles always exist in ...............

Exercises

Selina solutions for Concise Physics Class 6 ICSE Chapter 6 Magnetism Exercises

Exercises | Q 1

State if the following statement is true or false. Correct the statement if it is false.

If a bar magnet is cut in two pieces, then one piece will have only the north pole and the other will have only the south pole.

• True

• False

Exercises | Q 2

State if the following statement is true or false. Correct the statement if it is false.

Attraction is the surest test for magnetism.

• True

• False

Exercises | Q 3

State if the following statement is true or false. Correct the statement if it is false.

Temporary magnets are made of cobalt.

• True

• False

Exercises | Q 4

State if the following statement is true or false. Correct the statement if it is false.

As we move away from a magnet, its attraction power weakens.

• True

• False

Exercises | Q 5

State if the following statement is true or false. Correct the statement if it is false.

Whenever a magnet is not in use, it should be stored along with other magnets.

• True

• False

Exercises

Selina solutions for Concise Physics Class 6 ICSE Chapter 6 Magnetism Exercises

Exercises | Q 1

Give a reason for the following.

Magnets must be bandied with care?

Exercises | Q 2

Give a reason for the following.

Iron is a magnetic substance.

Exercises | Q 3

Give a reason for the following.

The directive property of magnets is used in a compass.

Exercises | Q 4

Give a reason for the following.

Electromagnets are temporary magnets.

Exercises | Q 5

Give a reason for the following.

Magnets are used to close the doors of a refrigerator tightly.

Exercises

Selina solutions for Concise Physics Class 6 ICSE Chapter 6 Magnetism Exercises

Exercises | Q 1

Give two examples each of magnetic and. non-magnetic substances.

Exercises | Q 2

What is a magnet? Differentiate between natural and artificial magnets.

Exercises | Q 3

If a bar magnet is placed over iron filings, where will the attraction of the iron fillings be

1. maximum?
2. minimum?
Exercises | Q 4.1

Define the following term regarding a bar magnet:

Magnetic axis

Exercises | Q 4.2

Define the following term regarding a bar magnet:

Effective length

Exercises | Q 4.3

Define the following term regarding a bar magnet:

Magnetic equator

Exercises | Q 4.4

Define the following term regarding a bar magnet:

Magnetic field

Exercises | Q 5

Name a few common appliances that use electromagnets.

Exercises

Selina solutions for Concise Physics Class 6 ICSE Chapter 6 Magnetism Exercises

Exercises | Q 1

Distinguish between a temporary magnet and a permanent magnet.

Exercises | Q 2

Write a short note on the theory of magnetism.

Exercises | Q 3

List four methods of magnetizing a magnetic substance.

Exercises | Q 4

How is the single-touch method of magnetism different from the double-touch method?

Exercises | Q 5

How can a magnet be demagnetized?

Selina solutions for Concise Physics Class 6 ICSE chapter 6 - Magnetism

Selina solutions for Concise Physics Class 6 ICSE chapter 6 (Magnetism) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Concise Physics Class 6 ICSE solutions in a manner that help students grasp basic concepts better and faster.

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Concepts covered in Concise Physics Class 6 ICSE chapter 6 Magnetism are Magnetic and Non-magnetic Materials, Magnet and Its Characteristics, Magnetic Properties, Magnetic Field, Earthâ€™s Magnetism, Making a Magnet, Electromagnet, Making of an Electromagnet, Discovery of Magnets, Classification of Magnets, Applications of Electromagnets, Care and Storage of Magnets, Demagnetization of a Magnet.

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