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प्रश्न
What are magnetic and non-magnetic substances? Give two examples of each.
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उत्तर
Magnetic substances: The substances that get attracted by a magnet are called magnetic substances.
e.g. Iron, steel, cobalt, and nickel are magnetic substance
Non-magnetic substances: The substances that do not get attracted by a magnet are called non-magnetic substances,
e.g., wood, plastic, copper, paper, aluminum, rubber, stone.
संबंधित प्रश्न
Answer the following in short.
Give two examples each of magnetic and. non-magnetic substances.
Write main properties of a magnet.
Write two methods by which a magnet can be demagnetised.
Few iron nails and screws got mixed with the wooden shavings while a carpenter was working with them.How can you help him in getting the nails and screws back from the scrap without wasting his time in searching with his hands?
The Materials which are attracted towards the magnet are called ______.
Rubber is a magnetic material.
Circle the odd ones and give reason
Write down the names of substances.
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 |
Substances that are attracted by magnets are called non-magnetic substances.
Analogy:
Magnetic substance: Attracted by magnets
Non-magnetic substance: ______.
Among the following which one is a magnetic substance?
Ever silver spoon is a ______ material.
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?
