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प्रश्न
Answer the following in short.
Give two examples each of magnetic and. non-magnetic substances.
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उत्तर
Examples of magnetic substances – Iron, nickel, cobalt
Examples of non-magnetic substances – Plastic, wool, wood, paper, rubber, etc.
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संबंधित प्रश्न
What are magnetic and non-magnetic substances? Give two examples of each.
Write main properties of a magnet.
Paper is not a ______ material.
Rubber is a magnetic material.
A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. Affect observed in each case is stated in Column I. Possible reasons for the observed affects are mentioned in Column II.
Match the statements given in Column I with those in Column II.
| Column I | Column II |
| Boat gets attracted towards the magnet | Boat is fitted with a magnet with north pole towards its head |
| Boat is not affected by the magnet | Boat is fitted with a magnet with south pole towards its head |
| Boat moves towards the magnet if north pole of the magnet is brought near its head | Boat has a small magnet fixed along its length |
| Boat moves away from the magnet when north pole is brought near its head | Boat is made of magnetic material |
| Boat floats without changing its direction | Boat is made up non-magnetic material |
______ made objects are attracted by magnets.
What are magnetic substances?
What are non-magnetic substances?
When the iron needle is rubbed with a bar magnet the needle gets magnetized. But the rubber piece is rubbed with a magnet it will not get magnetized. Why?
Suggest an activity to prepare a magnetic compass by using an iron needle and a bar magnet.
