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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.
It is advised to keep the magnets away from television, mobiles, CD and computers Explain why?
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.
______ made objects are attracted by magnets.
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?
What are 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?
A toy car has a bar magnet laid hidden inside its body along its length. Using another magnet how will you find out which pole of the magnet is facing the front of the car?
Suggest an activity to prepare a magnetic compass by using an iron needle and a bar magnet.
